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Ranking · Network Monitoring & Performance Tools

Best Network Monitoring & Performance Tools for Private Equity Firms

4 products scored on six criteria. Kentik leads at 8.9 and the field is tight, with 0.3 points between first and last, so read the catches before you pick. Every product opens to the evidence behind its number.

4 products scored6 criteria48 sources citedUpdated Jul 14, 2026
Jump to the ranking How the scores work
1 Kentikkentik.com

Kentik holds a 4.8 rating, starts at $2,000/mo

Read the reviewVisit ↗
2 ExtraHopextrahop.com

ExtraHop decrypts TLS 1.3 traffic at 100 Gbps

Read the reviewVisit ↗
3 NetScout nGeniusONEnetscout.com

NetScout's ASI engine scales to 100 Gbps line rates

Read the reviewVisit ↗
4Products
8.6 to 8.9Score spread
0Free plan or tier
01

The ranking

Order follows the score. Six little boxes show each product's criterion scores: green or red is above or below the category average, grey means too few products share that criterion to compare. The full review sits right under each one.

Nothing matches that filter here. Tap All to see every product.

1

Kentik

kentik.com · Kentik Network Performance Monitoring · scored Dec 2025

Kentik holds a 4.8 rating, starts at $2,000/mo

Best forEnterprises managing complex hybrid or multi-cloud network infrastructure

From $2,000 per month SOC 2ISO 27001enterprise
Top score
Visit Kentik ↗ See the evidence

SaaS network observability platform unifying flow analysis, synthetic testing, and AI-driven insights for hybrid cloud.

Standout factKentik holds a 4.8 out of 5 rating on G2.g2.com
Biggest catchThe Pro plan starts at $2,000 per month, billed annually.kentik.com
4.8/5G2 ratingg2.com
$2,000/moPro plan starting pricekentik.com
AES-256Encryption standardkb.kentik.com

What reviewers say

G2
4.8/5

Source: g2.com

Starting price

$2,000/moPro plan, billed annually

Upside

  • Unified flow, NMS, and synthetic monitoring
  • AI-driven insights speed up troubleshooting
  • SOC 2 and ISO 27001 certified

Catch

  • Steep learning curve for new users
  • API can be complex to operate
  • Visibility limited to own network data
Pick it ifEnterprises managing complex hybrid or multi-cloud network infrastructure
Skip it ifSmall LAN environments where simple SNMP polling is enough
PricingFrom $2,000 per month (Pro plan), billed annually

Editor's takeKentik replaces legacy network appliances with a single SaaS platform that combines flow analysis, synthetic testing, and AI-driven insights. It holds a 4.8 rating on G2 and completes annual SOC 2 Type 2 attestations alongside ISO 27001 certification. The tradeoff is a documented learning curve, with users citing a complex API and time needed to master the platform.

How much does Kentik cost?

The Pro plan starts at $2,000 per month, billed annually. The Premier tier requires contacting sales for a custom quote.

Is Kentik SOC 2 certified?

Yes. Kentik completes annual SOC 2 Type 2 attestations and maintains ISO 27001 certification, with all customer data at rest encrypted using AES-256.

The evidence: 6 criteria, 3 penalties (−0.15 points)
9.3
Product Capability & DepthLooked for: We assess the breadth of network visibility, including flow analysis, synthetic testing, and AI-driven insights across hybrid environments.Kentik delivers a comprehensive SaaS platform combining SNMP, streaming telemetry, and flow data (NetFlow, sFlow, IPFIX) with synthetic monitoring and AI-driven insights for hybrid and multi-cloud environments.kentik.comkentik.comkentik.com
9.1
Market Credibility & Trust SignalsLooked for: We look for industry recognition, high user ratings on independent review platforms, and adoption by major enterprise customers.The product holds high ratings on major review platforms like G2 (4.8/5) and is trusted by significant enterprises for its ability to replace legacy appliances with a SaaS model.g2.comgartner.com
8.7
Usability & Customer ExperienceLooked for: We evaluate the ease of navigation, quality of visualizations, and the learning curve associated with advanced features.While users praise the 'Data Explorer' and general ease of use, there are documented reports of a steep learning curve and complexity in operating the API.techradar.comg2.comg2.com
8.5
Value, Pricing & TransparencyLooked for: We check for publicly available pricing, clear subscription models, and user feedback on cost-to-value ratio.Kentik publishes starting pricing for its 'Pro' plan ($2,000/mo) but requires contact for 'Premier', and some users identify the pricing model as an area for improvement.kentik.comkentik.compeerspot.com
9.5
Security, Compliance & Data ProtectionLooked for: We verify adherence to industry standards like SOC 2, ISO 27001, and robust data encryption practices.Kentik demonstrates exceptional security maturity with annual SOC 2 Type 2 attestations, ISO 27001 certification, and AES-256 encryption for data at rest.kentik.comkb.kentik.comkb.kentik.com
9.0
Integrations & Ecosystem StrengthLooked for: We assess the breadth of third-party connections to cloud providers, notification systems, and ITSM tools.The platform offers extensive integrations with major cloud providers (AWS, Azure, GCP), communication tools like Slack/Teams, and data export via 'Kentik Firehose' to APM tools.kentik.comkentik.comkentik.com

Score adjustments−0.15 points in total

−0.05Users report a steep learning curve, noting that it requires significant time to grasp the platform's processes effectively.g2.com · severity 50/100
−0.05The API is described by some users as complex to operate, with usability needing improvement.peerspot.com · severity 45/100
−0.05Data insights are limited to the user's own network, which some users note restricts broader competitive intelligence.g2.com · severity 40/100
Visit Kentik ↗ Back to the top of the ranking
2

ExtraHop

extrahop.com · ExtraHop NPM · scored Dec 2025

ExtraHop decrypts TLS 1.3 traffic at 100 Gbps

Best forNetOps and SecOps teams needing unified network visibility.

Quote only FedRAMPSOC 2network detection
−0.1 vs #1
Visit ExtraHop ↗ See the evidence

Network detection platform analyzing wire data at 100 Gbps with real-time TLS 1.3 decryption.

Standout factExtraHop decrypts TLS 1.3 traffic with Perfect Forward Secrecy in real time.neox-networks.com
Biggest catchThe shift to asset-based licensing makes the platform harder for smaller companies to afford.peerspot.com
100 GbpsSustained throughput analyzedcloud-assets.extrahop.com
5,000+Metrics extracted from wire datacloud-assets.extrahop.com

Standout number

100 Gbpssustained wire data throughput analyzed

Source: cloud-assets.extrahop.com

The thing people get wrong

Encrypted TLS 1.3 traffic is invisible to network monitoring tools

ExtraHop passively decrypts TLS 1.3 with Perfect Forward Secrecy in real time

Source: neox-networks.com

Upside

  • Decrypts TLS 1.3 with Perfect Forward Secrecy
  • Analyzes sustained 100 Gbps throughput
  • FedRAMP Authorized at Moderate Impact

Catch

  • Asset-based licensing can be costly
  • NetFlow needs a separate sensor
  • Custom triggers require JavaScript
Pick it ifNetOps and SecOps teams needing unified network visibility.
Skip it ifSmall businesses where basic SNMP polling is enough.
PricingCustom quote, AWS cloud sensor from $5.04/hr

Editor's takeExtraHop decrypts TLS 1.3 traffic with Perfect Forward Secrecy passively, catching threats hiding in encrypted channels most tools miss. That capability runs at a sustained 100 Gbps, extracting over 5,000 metrics per stream. The newer asset-based licensing model, though, has drawn criticism as a cost barrier for smaller organizations.

Can ExtraHop see inside encrypted traffic?

Yes. It passively decrypts TLS 1.3 traffic, including connections protected by Perfect Forward Secrecy, without needing the private keys on the sensor itself.

How is ExtraHop priced?

Enterprise pricing requires a quote and now uses asset-based licensing. Cloud sensors on AWS list transparent hourly rates, starting near $5.04 an hour for 1 Gbps.

The evidence: 6 criteria, 3 penalties (−0.19 points)
9.1
Product Capability & DepthLooked for: We evaluate the depth of packet-level analysis, throughput capacity, and the granularity of performance metrics extracted from wire data.ExtraHop Reveal(x) delivers line-rate analysis up to 100 Gbps, extracting over 5,000 metrics from L2-L7 traffic and uniquely decrypting TLS 1.3 with Perfect Forward Secrecy in real-time.extrahop.comextrahop.comcloud-assets.extrahop.com
9.5
Market Credibility & Trust SignalsLooked for: We look for third-party validations, government authorizations, and adoption by high-security enterprises.ExtraHop holds FedRAMP Authorization (Moderate), is a Leader in the Q4 2025 Forrester Wave for NAV, and is trusted by major entities like Lockheed Martin and Microsoft.scmagazine.comextrahop.combusinesswire.com
8.7
Usability & Customer ExperienceLooked for: We assess the ease of deployment, dashboard intuitiveness, and the learning curve for advanced features.Users praise the intuitive dashboards and rapid 'within the hour' deployment, though creating custom triggers often requires complex JavaScript knowledge.extrahop.compeerspot.comaws.amazon.com
8.4
Value, Pricing & TransparencyLooked for: We examine pricing models, public transparency, and perceived ROI relative to cost.Pricing is transparent for cloud sensors (hourly rates on AWS), but the shift to asset-based licensing for enterprise plans has been criticized as expensive for smaller firms.extrahop.comtrustradius.compeerspot.com
8.8
Integrations & Ecosystem StrengthLooked for: We look for the breadth of native integrations with SIEM, SOAR, and EDR platforms.Strong native integrations exist for CrowdStrike, Splunk, and Microsoft Sentinel, though some users report manual work is required for non-native SIEM connections.extrahop.compeerspot.com
9.4
Security, Compliance & Data ProtectionLooked for: We evaluate the product's ability to handle encrypted traffic securely and meet rigorous compliance standards.ExtraHop excels with FedRAMP authorization and the ability to decrypt TLS 1.3 traffic without compromising keys, using a passive out-of-band approach.extrahop.compacketpushers.net

Score adjustments−0.19 points in total

−0.08NetFlow monitoring requires a separate, dedicated virtual sensor and cannot be enabled on the same appliance processing wire data.docs.extrahop.com · severity 60/100
−0.07Payload storage is limited by 'bucket storage' constraints, often requiring users to extract data quickly before it is overwritten.peerspot.com · severity 55/100
−0.04The shift to an asset-based licensing model has been criticized by users as a cost barrier for smaller organizations compared to throughput models.peerspot.com · severity 50/100
Visit ExtraHop ↗ Back to the top of the ranking
3

NetScout nGeniusONE

netscout.com · NetScout Network Performance Monitoring · scored Dec 2025

NetScout's ASI engine scales to 100 Gbps line rates

Best forLarge enterprises needing packet-level visibility across hybrid cloud

Quote only deep packet inspectionenterprise scaleISO 27001
−0.1 vs #1
Visit NetScout nGeniusONE ↗ See the evidence

Enterprise network performance monitoring using patented deep packet inspection at up to 100 Gbps.

Standout factASI technology scales to 100 Gigabits per second on a given network segment.apmdigest.com
Biggest catchUsers describe a steep learning curve and say the UI is not intuitive.reddit.com
100 GbpsMax throughputapmdigest.com
1,000+Applications visibledlt.com
50%Internet traffic monitorednetscout.com

Standout number

100 Gbpsline-rate throughput supported

Source: apmdigest.com

In their words

“NetScout's ASI technology is built from the ground up to scale to speeds of up to 100 Gigabits per second.”

apmdigest.com

Upside

  • Patented ASI deep packet inspection
  • Scales to 100 Gbps line rates
  • Unified NetOps and SecOps visibility

Catch

  • Steep learning curve reported
  • High cost, not for SMBs
  • Complex licensing structure
Pick it ifLarge enterprises needing packet-level visibility across hybrid cloud
Skip it ifSMBs wanting a lightweight, quick-to-deploy SaaS tool
PricingPricing not published; contact vendor for a quote

Editor's takeNetScout fits large enterprises and ISPs that need packet-level visibility across hybrid cloud networks. ASI technology converts raw wire traffic into structured data at up to 100 Gbps. SMBs wanting a lightweight, quick-to-deploy SaaS tool should look at a lighter alternative.

What is NetScout's ASI technology?

Adaptive Service Intelligence is a patented deep packet inspection engine that converts raw network traffic into structured metadata, scaling to 100 Gbps on a network segment.

Is NetScout a good fit for small businesses?

Not usually. Reviewers describe it as expensive with complex licensing, and the vendor itself positions it for large enterprises rather than SMBs.

The evidence: 6 criteria, 3 penalties (−0.16 points)
9.3
Product Capability & DepthLooked for: We evaluate the depth of packet inspection, real-time monitoring capabilities, and the ability to unify network and application performance data.NetScout nGeniusONE leverages patented Adaptive Service Intelligence (ASI) technology for deep packet inspection (DPI) and metadata generation, providing granular visibility into over 1,000 applications across physical, virtual, and cloud environments.netscout.comdlt.comnetscout.com
9.4
Market Credibility & Trust SignalsLooked for: We assess market presence, adoption by major enterprises, industry awards, and the vendor's reputation for reliability in critical sectors.NetScout is a dominant player in the enterprise space, trusted by Fortune 100 companies and government agencies, and recently recognized by Frost & Sullivan for technology innovation leadership in 2025.prnewswire.comtrustradius.com
8.2
Usability & Customer ExperienceLooked for: We examine user interface design, ease of configuration, learning curve, and the quality of vendor support services.While powerful, the platform is frequently described as having a steep learning curve and a complex user interface that often requires specialized training to operate effectively.netscout.comreddit.comg2.com
8.3
Value, Pricing & TransparencyLooked for: We analyze pricing transparency, cost-effectiveness relative to features, and suitability for different business sizes.NetScout is positioned as a premium enterprise solution with high costs and opaque pricing, making it generally unsuitable for SMBs but valuable for large organizations requiring deep visibility.netscout.compeerspot.comtrustradius.com
9.1
Security & Threat IntelligenceLooked for: We look for integration with security operations, threat detection capabilities, and the use of global threat intelligence feeds.nGeniusONE integrates tightly with Omnis Cyber Intelligence and utilizes the ATLAS threat intelligence feed, enabling unified NetOps and SecOps workflows.netscout.comtucana.comnetscout.com
9.5
Scalability & PerformanceLooked for: We evaluate the system's ability to handle high data throughput, large distributed networks, and line-rate packet capture.The architecture is designed for massive scale, supporting 100 Gbps line rates and distributed data collection across nationwide networks without needing middleware.netscout.comapmdigest.comdlt.com

Score adjustments−0.16 points in total

−0.07Users report a steep learning curve and a user interface that is not intuitive, often requiring training to master.reddit.com · severity 65/100
−0.04The solution is frequently cited as expensive and cost-prohibitive for Small to Medium Businesses (SMBs), with a complex licensing model.peerspot.com · severity 60/100
−0.05Initial setup and configuration can be cumbersome and complex, particularly in large environments.g2.com · severity 50/100
Visit NetScout nGeniusONE ↗ Back to the top of the ranking
4

SolarWinds

solarwinds.com · SolarWinds Network Performance Monitor · scored Dec 2025

SolarWinds NPM forced subscriptions, renewals jumped up to 300%

Best forMid-to-large IT teams needing deep on-premise network diagnostics.

From $2,995 one-time ISO 27001SOC 2on-premise
−0.3 vs #1
Visit SolarWinds ↗ See the evidence

Enterprise network monitoring with hop-by-hop NetPath analysis and cross-stack PerfStack correlation.

Standout factRenewal fees have reportedly risen by up to 300% since the forced subscription-only switch.manageengine.com
Biggest catchSolarWinds now enforces 3-year subscription-only licensing, ending perpetual license options as of August 2025.manageengine.com
up to 300%Renewal price increase reportedmanageengine.com
1,200+Apps covered by DPIsolarwinds.com

What changed

300%reported renewal price increase after subscription-only switch

Source: manageengine.com

Standout number

1,200+applications covered by Deep Packet Inspection

Source: solarwinds.com

Upside

  • NetPath visualizes hop-by-hop network paths
  • Deep Packet Inspection for 1,200-plus apps
  • Scales to 1 million elements with APEs

Catch

  • Forced into subscription-only licensing
  • Renewal fees reportedly up 300%
  • Steep learning curve for setup
Pick it ifMid-to-large IT teams needing deep on-premise network diagnostics.
Skip it ifHyperscale environments over 25,000 nodes or cloud-native SaaS-only teams.
PricingStarts around $2,995, now subscription-only (3-year terms)

Editor's takeSolarWinds NPM still leads on diagnostic depth: NetPath's hop-by-hop visualization and PerfStack's cross-stack correlation handle troubleshooting scenarios many rivals cannot match. What has changed is the business model. A forced move to 3-year subscription-only licensing in 2025 has come with reported renewal increases of up to 300%, a real cost shock for long-time perpetual license holders. Teams should also budget for real hardware, since scaling past roughly 12,000 elements per poller requires Additional Polling Engines.

Can I still buy a perpetual SolarWinds NPM license?

No. As of August 2025, SolarWinds enforces a 3-year subscription-only model, and market reports cite renewal fee increases of up to 300%.

How far can SolarWinds NPM scale?

A single polling engine handles about 12,000 elements. With up to 100 Additional Polling Engines, an instance can monitor up to 1 million elements.

The evidence: 6 criteria, 3 penalties (−0.17 points)
9.1
Product Capability & DepthLooked for: We evaluate the breadth of monitoring protocols, depth of packet analysis, and advanced diagnostic features for hybrid network environments.NPM provides comprehensive monitoring via SNMP, WMI, and ICMP, featuring proprietary NetPath for hop-by-hop analysis and Deep Packet Inspection (DPI) for over 1,200 applications.solarwinds.comsolarwinds.comstoragereview.com
9.2
Market Credibility & Trust SignalsLooked for: We assess security certifications, compliance with federal standards, and vendor transparency regarding security practices.SolarWinds has established a robust 'Secure by Design' framework, holding ISO 27001 and SOC 2 Type II certifications and following NIST guidelines.solarwinds.comsolarwinds.comsolarwinds.com
8.3
Usability & Customer ExperienceLooked for: We analyze user feedback regarding ease of setup, interface intuitiveness, and the learning curve for new administrators.While the dashboard is powerful, users consistently report a steep learning curve and complex initial configuration, particularly for advanced features.solarwinds.comg2.comg2.com
7.5
Value, Pricing & TransparencyLooked for: We examine pricing models, licensing flexibility, and customer sentiment regarding cost versus value.The transition to a subscription-only model has led to reports of significant renewal price increases, causing friction for long-term perpetual license holders.solarwinds.commanageengine.commanageengine.com
9.0
Scalability & PerformanceLooked for: We look for seamless integration with other IT management modules and third-party platforms like ITSM tools.NPM integrates deeply with the SolarWinds ecosystem (NTA, NCM, SAM) and offers native connectors for ITSM tools like ServiceNow.solarwinds.comsolarwindscore.my.site.comsolarwindscore.my.site.com
9.1
Security, Compliance & Data Protectionsolarwinds.com

Score adjustments−0.17 points in total

−0.06Significant negative sentiment and documented reports regarding the forced transition from perpetual to subscription licensing, resulting in renewal price hikes of up to 300%.manageengine.com · severity 85/100
−0.06Users consistently report a steep learning curve and complex setup process, requiring significant technical expertise to configure properly.g2.com · severity 55/100
−0.05High resource intensity requirements, including separate servers for SQL and applications, and the need for Additional Polling Engines (APEs) to scale beyond 12k elements.solarwindscore.my.site.com · severity 50/100
Visit SolarWinds ↗ Back to the top of the ranking
02

Side by side

10 features across 4 products. Green is yes, red is no, grey is not published.

FeatureKentikExtraHopNetScout nGeniusONESolarWinds
Has Mobile App ✗ ✗ ✗ ✓
Has Free Plan ✗ ✗ ✗ ✗
Has Free Trial Contact for trial Contact for trial Contact for trial ✓
Integrates With Zapier ✗ ✗ ✗ ✗
Has Public API ✓ ✓ ✓ ✓
Live Chat Support ✓ ✓ Email/Ticket only ✓
SOC 2 or ISO Certified ✓ ✓ ✓ —
Popular Integrations AWS, Google Cloud, Microsoft Azure Splunk, ServiceNow, Palo Alto Networks Cisco, Microsoft Azure, AWS Microsoft 365, VMware, Cisco
Supports SSO ✓ ✓ ✓ ✓
Starting Price $2,000 per month Contact for pricing Contact for pricing $2,995 one-time
03

How we chose

Four fixed criteria for every product, plus two chosen for Network Monitoring & Performance Tools for Private Equity Firms, weighted and reduced by documented penalties.

Full methodology
Criteria set for this categoryProduct Capability & Depth, Market Credibility & Trust Signals, Usability & Customer Experience, Value, Pricing & Transparency, Security, Compliance & Data Protection, Integrations & Ecosystem Strength
Evidence, then a scoreDocumentation, pricing pages, security pages and third-party reviews. Each criterion records what was found and links its sources.
Penalties, then a rankDocumented problems pull the score down with their evidence attached. Rank follows the score. Sponsored rows, where present, are labelled.
iVendors cannot buy a position. Every score rests on published evidence, documented problems pull it down, and a 9.1 here is not a 9.1 in another category.
Albert Richer
Albert RicherFounder · Memphis, TN

Sets the criteria and reviews the evidence before a ranking publishes. Email him if something here looks wrong.

04

Questions people ask

How much does Kentik cost?

The Pro plan starts at $2,000 per month, billed annually. The Premier tier requires contacting sales for a custom quote.

Is Kentik SOC 2 certified?

Yes. Kentik completes annual SOC 2 Type 2 attestations and maintains ISO 27001 certification, with all customer data at rest encrypted using AES-256.

Can ExtraHop see inside encrypted traffic?

Yes. It passively decrypts TLS 1.3 traffic, including connections protected by Perfect Forward Secrecy, without needing the private keys on the sensor itself.

How is ExtraHop priced?

Enterprise pricing requires a quote and now uses asset-based licensing. Cloud sensors on AWS list transparent hourly rates, starting near $5.04 an hour for 1 Gbps.

What is NetScout's ASI technology?

Adaptive Service Intelligence is a patented deep packet inspection engine that converts raw network traffic into structured metadata, scaling to 100 Gbps on a network segment.

Is NetScout a good fit for small businesses?

Not usually. Reviewers describe it as expensive with complex licensing, and the vendor itself positions it for large enterprises rather than SMBs.

Can I still buy a perpetual SolarWinds NPM license?

No. As of August 2025, SolarWinds enforces a 3-year subscription-only model, and market reports cite renewal fee increases of up to 300%.

How far can SolarWinds NPM scale?

A single polling engine handles about 12,000 elements. With up to 100 Additional Polling Engines, an instance can monitor up to 1 million elements.

How is the best Network Monitoring & Performance Tools for Private Equity Firms decided?

Every product is scored on six criteria for this category, with cited evidence and documented penalties. Rank follows the overall score. Vendors cannot pay for a position.

How often is this ranking updated?

Products are re-scored when pricing, features or evidence change. This ranking was last updated July 14, 2026.

05

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