Intel
Pentium 4 Processor 2.00 GHz / 512 / 400 SL66R
*Price sourced from Amazon.com. Last updated 2026-07-06. Price and availability subject to change.
Bottom line: The Pentium 4 Processor 2.00 GHz / 512 / 400 SL66R is a niche pick — read recent reviews before buying in the processors category, priced around $99.00. Read recent reviews carefully before committing.
About this item Clock Speed: 2.0 GHz FSB Speed: 400 MHz L2 Cache: 512 KB Sockets Supported: PPGA478 Bus/Core Ratio: 20 › See more product details
SpecPicks Verdict
SpecPicks classifies Intel Pentium 4 Processor 2.00 GHz / 512 / 400 SL66R as a niche pick — read recent reviews before buying in the processors category, based on our editorial and benchmark analysis and our ranking model that weights rating × review-volume × price-fit. Intel's positioning sits within the broader category mid-tier. Use the Compare tool to put it side-by-side with two or three close alternatives before clicking through to Amazon.
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.
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
Key Features
- Clock Speed 2.0 GHz
- FSB Speed 400 MHz
- L2 Cache 512 KB
- Sockets Supported PPGA478
- Bus/Core Ratio 20
Full Specifications
| UPC | 723905155537 |
|---|---|
| ASIN | B001156Y4Y |
| Brand | Intel |
| CPU Model | Pentium |
| CPU Speed | 2 GHz |
| Manufacturer | Intel |
| Model Number | SL66R |
| Mfr Part Number | SL66R |
| Number of Items | 1 |
| Processor Count | 1 |
| Processor Speed | 2 GHz |
| Processor Series | Pentium |
Ready to buy?
Intel Pentium 4 Processor 2.00 GHz / 512 / 400 SL66R is available on Amazon with Prime shipping and the full Amazon returns policy. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.
*Price sourced from Amazon.com. Last updated 2026-07-06. Price and availability subject to change.
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