Is the Intel Pentium 4 Processor 2.00 GHz / 512 / 400 SL66R worth buying?

Intel Pentium 4 Processor 2.00 GHz / 512 / 400 SL66R is a newer listing on Amazon; check the product page for current user reviews.

What are the alternatives to the Intel Pentium 4 Processor 2.00 GHz / 512 / 400 SL66R?

Intel Pentium 4 Processor 2.00 GHz / 512 / 400 SL66R competes with other Processors products on SpecPicks. Use our Compare tool to view specs side-by-side, or browse the full Processors category for alternatives.

Who makes the Intel Pentium 4 Processor 2.00 GHz / 512 / 400 SL66R?

Intel Pentium 4 Processor 2.00 GHz / 512 / 400 SL66R is manufactured by Intel. See all Intel products on SpecPicks via the brand page.

How is the Intel Pentium 4 Processor 2.00 GHz / 512 / 400 SL66R shipped and returned?

Intel Pentium 4 Processor 2.00 GHz / 512 / 400 SL66R is sold through Amazon. Amazon Prime members generally receive free 1-2 day shipping; non-Prime orders are subject to Amazon's standard shipping rates. Full returns policy applies per Amazon Associate terms.

Intel

Intel Pentium 4 Processor 2.00 GHz / 512 / 400 SL66R

Name: Intel Pentium 4 Processor 2.00 GHz / 512 / 400 SL66R
Brand: Intel
SKU: B001156Y4Y
Price: 51.00 USD
Availability: InStock

By Mike Perry, Hardware Editor · Verified 2026-09-23

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. View full credentials →

$51.00

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🛒 See live eBay price Also on Amazon — View Current Price → Compare to similar processors

*Price sourced from Amazon.com. Last updated 2026-09-21. Price and availability subject to change.

Bottom line: The Intel Pentium 4 Processor 2.00 GHz / 512 / 400 SL66R is a specs-and-price decision rather than a crowd-consensus one in the processors category, priced around $51.00. Check the specification table above against one or two close alternatives — on price and spec fit, not on star ratings.

Pros & Cons

Pros

✓ Clock Speed: 2.0 GHz
✓ 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

Clock Speed: 2.0 GHz FSB Speed: 400 MHz L2 Cache: 512 KB

SpecPicks Verdict

SpecPicks scored Intel Pentium 4 Processor 2.00 GHz / 512 / 400 SL66R using a rating × review-volume × price-fit model applied to our editorial and benchmark analysis across the processors category. Intel's processors 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 processors 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

Clock Speed: 2.0 GHz
FSB Speed: 400 MHz
L2 Cache: 512 KB
Sockets Supported: PPGA478
Bus/Core Ratio: 20

Full Specifications

Brand	Intel
Model	SL66R
UnitCount	1
Manufacturer	Intel
ItemPartNumber	SL66R

Ready to buy?

Intel Pentium 4 Processor 2.00 GHz / 512 / 400 SL66R 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.

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*Price sourced from Amazon.com. Last updated 2026-09-21. Price and availability subject to change.