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Tripp Lite B042-004 4-Port 1U Rackmount USB PS2 KVM Switch with On-Screen Display
TRIPP LITE

Tripp Lite B042-004 4-Port 1U Rackmount USB PS2 KVM Switch with On-Screen Display

Mike Perry has researched PC hardware since 2014, tracking 80+ GPU generations, 50+ retro handheld platforms, and 30+ vintage PC configurations. He synthesises community benchmarks, manufacturer specs, and public forum data into actionable buying guides.

$413.03

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*Price sourced from Amazon.com. Last updated 2026-07-30. Price and availability subject to change.

Bottom line: The Tripp Lite B042-004 4-Port 1U Rackmount USB PS2 KVM Switch with On-Screen Display is a specs-and-price decision rather than a crowd-consensus one in the kvm switches category, priced around $413.03. Check the specification table above against one or two close alternatives — on price and spec fit, not on star ratings.

Pros & Cons

Pros

  • ✓ Controls an entire network from one keyboard, mouse and monitor in 1U
  • ✓ Backed by TRIPP LITE's warranty and support channels
  • ✓ Ships via Amazon with Prime eligibility and the standard returns policy

Cons

  • ✗ Confirm socket / form-factor / power-rating compatibility against your build before ordering
  • ✗ Price, stock, and Prime eligibility update from Amazon and may have changed since this page was last verified

Tripp Lite's NetController 4-Port, 1U rackmount KVM Switch is an affordable, highly-flexible enterprise class KVM Switch, which allows the user to connect either USB or PS/2 keyboards and mice. In addition, P780-Series USB/PS2 combo KVM cable kits allow you to connect either USB or PS/2 computers, without the need to purchase separate cables or adapters. Control up to 4 directly connected computers, or expand the number of connected computers to up to 244 by daisychaining up to 15 additional B042-Series KVM switches. Switch between connected computers via the On-Screen Display (OSD)…

SpecPicks Verdict

SpecPicks scored Tripp Lite B042-004 4-Port 1U Rackmount USB PS2 KVM Switch with… using a rating × review-volume × price-fit model applied to our editorial and benchmark analysis across the kvm switches category. TRIPP LITE's kvm switches lineup sits within the broader category mid-tier; price and specs are the deciding factors over brand loyalty here. Judge it on the specification table and the price rather than on sentiment: check the figures that decide your use case, then put it side-by-side with two or three close alternatives in the Compare tool before clicking through.

Common buyer scenarios for kvm switches of this kind: matching it to an existing build, replacing a failing part, or upgrading from a previous-generation equivalent. Check the spec table below against your current setup — particularly socket / form-factor / power-rating fields — and confirm compatibility on the Amazon listing before purchase. Prices, stock, and Prime eligibility update directly from Amazon's catalog and may have moved since this page was last verified.

Key Features

  • Controls an entire network from one keyboard, mouse and monitor in 1U
  • Controls up to 244 computers/servers by daisy-chaining multiple KVM switches
  • Supports QXGA video resolutions up to 2048 x 1536
  • Compatible with PS/2 and USB computers and servers
  • 1-year warranty
  • NetController 4-Port, 1U rackmount KVM switch

Full Specifications

BrandTRIPP LITE
ColorBlack
ModelB042-004
MaterialSteel
TerminalQuick-connect
Part NumberB042-004
Switch TypeSolid-state
Circuit Type4-way
ConnectivityUSB
Contact TypeNormally Open
Control Typeuser interface
Actuator TypePush Button
CompatibilitySwitch
Material TypeSteel
Mounting TypeRack Mount
Connector TypeUsb
Control MethodApp, Remote
Operation Modemanual
Controller TypeWired
Item Dimensions11.5 x 17.3 x 2.8 inches

Ready to buy?

Tripp Lite B042-004 4-Port 1U Rackmount USB PS2 KVM Switch with On-Screen Display is sold on the used and vintage market, where eBay carries the live inventory — Amazon does not stock this part. Prices and condition vary by seller and move in real time, so we link the live listing rather than quote a cached price. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.

See live eBay listings →

*Price sourced from Amazon.com. Last updated 2026-07-30. Price and availability subject to change.

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