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1.7GHz Intel Pentium 4 400MHz 256KB L2 Cache Socket 478 SL5TK
Intel

1.7GHz Intel Pentium 4 400MHz 256KB L2 Cache Socket 478 SL5TK

By , Hardware Editor · Verified 2026-09-15

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.

$11.88

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*Price sourced from Amazon.com. Last updated 2026-09-14. Price and availability subject to change.

Bottom line: The 1.7GHz Intel Pentium 4 400MHz 256KB L2 Cache Socket 478 SL5TK is a specs-and-price decision rather than a crowd-consensus one in the retro motherboards category, priced around $11.88. Check the specification table above against one or two close alternatives — on price and spec fit, not on star ratings.

sSpec: SL5TK CPU Speed: 1.70 GHz Bus Speed: 400 MHz

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SpecPicks Verdict

SpecPicks scored 1.7GHz Intel Pentium 4 400MHz 256KB L2 Cache Socket 478 SL5TK using a rating × review-volume × price-fit model applied to our editorial and benchmark analysis across the retro motherboards category. Intel's retro motherboards 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 retro motherboards 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.

Pros & Cons

Pros

  • ✓ sSpec: SL5TK
  • ✓ Backed by Intel'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

Key Features

  • sSpec: SL5TK
  • CPU Speed: 1.70 GHz
  • Bus Speed: 400 MHz
  • Bus/Core Ratio: 17
  • L2 Cache Size: 256 KB

Full Specifications

BrandIntel
ModelSL5TK
ManufacturerIntel
ItemPartNumberSL5TK

Ready to buy?

1.7GHz Intel Pentium 4 400MHz 256KB L2 Cache Socket 478 SL5TK 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 2026-09-14. Price and availability subject to change.

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1.7GHz Intel Pentium 4 400MHz 256KB L2 Cache Socket 478 SL5TK
$11.88
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