Evergreen 586-133 CPU Up-To-133Mhz for 486Sx/Dx (5-Pack)
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*Price sourced from Amazon.com. Last updated 2026-04-20. Price and availability subject to change.
Bottom line: The Evergreen 586-133 CPU Up-To-133Mhz for 486Sx/Dx (5-Pack) is a specs-and-price decision rather than a crowd-consensus one in the retro cpus category, priced around $383.99. Check the specification table above against one or two close alternatives — on price and spec fit, not on star ratings.
Pros & Cons
Pros
- ✓ Upgrades a 486 system to a 586/80, 100, 120, or 133
- ✓ Backed by EVERGREEN TECHNOLOGIES'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
Evergreen 486 Upgrade Upgrades a 486 system to a 586/80, 100, 120, or 133 Supports both 168 (169) and 237 (238)-pin CPU and OverDrive socket styles Includes 16K of level one cache Includes high-speed floating point math unit Quadruples clock speed for 25, 33, DX2-50, and DX2-66 systems (DX2-50 and DX2-66 become 586/100 and 586/133 respectively) Triples clock speed for 40 MHz systems Maintains PC investment and extends the life of 486 systems Includes a lifetime warranty Corresponds to Kingston TurboChip 133 (TC5x86/133)
SpecPicks Verdict
SpecPicks scored Evergreen 586-133 CPU Up-To-133Mhz for 486Sx/Dx (5-Pack) using a rating × review-volume × price-fit model applied to our editorial and benchmark analysis across the retro cpus category. EVERGREEN TECHNOLOGIES's retro cpus 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 cpus 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
- Upgrades a 486 system to a 586/80, 100, 120, or 133
Full Specifications
| Brand | EVERGREEN TECHNOLOGIES |
|---|---|
| CPU Model | 5X86 |
| CPU Speed | 133 MHz |
| CPU Socket | Socket 7 |
| Unit Count | 5.0 Count |
| Model Number | 90-0248-5B |
| Mfr Part Number | 90-0248-5B |
| Processor Brand | AMD |
| Processor Count | 5 |
| Processor Speed | 133 MHz |
| CPU Manufacturer | AMD |
| Processor Series | 5X86 |
| Processor Socket | Socket 7 |
| Processor Core Count | 5 |
| Global Trade Identification Number | 00725667000056 |
Ready to buy?
Evergreen 586-133 CPU Up-To-133Mhz for 486Sx/Dx (5-Pack) 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.
*Price sourced from Amazon.com. Last updated 2026-04-20. Price and availability subject to change.
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