Edge
memory - 128 MB (4 x 32 MB) - SIMM 72-pin (MEM3640-4X32D=-PE)
*Price sourced from Amazon.com. Last updated 2026-05-24. Price and availability subject to change.
EDGE memory products provide maximum power, speed, quality and reliability. The distinctive blue EDGE is Peripheral's assurance that users have purchased a high-quality and reliable memory upgrade. EDGE memory allows users to maximize system performance resulting in quicker document rendering, faster Internet downloads, quicker saves and loads, and rapid game play. EDGE memory upgrades are the fastest way to upgrade your computer system and are perfect for virtually every computer system. This memory is designed for Cisco 3640 router.
SpecPicks Verdict
SpecPicks classifies EDGE memory - 128 MB (4 x 32 MB) - SIMM 72-pin (MEM3640-4X32D=-PE) as a niche pick — read recent reviews before buying in the memory & ram category, based on limited Amazon review volume so far and our ranking model that weights rating × review-volume × price-fit. Edge'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 memory & ram 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
- ✓ Backed by Edge'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
Full Specifications
| Brand | Edge |
|---|---|
| RAM Size | 32 MB |
| Form Factor | 72-pin SIMM |
| Model Number | MEM3640-4X32D=-PE |
| Number of Pins | 72 |
| Mfr Part Number | MEM3640-4X32D=-PE |
| Special Feature | Lightweight |
| Compatible Devices | Personal Computer |
| Additional Features | Lightweight |
| Computer Memory Size | 32 MB |
| Global Trade Identification Number | 00652977191788 |
Ready to buy?
EDGE memory - 128 MB (4 x 32 MB) - SIMM 72-pin (MEM3640-4X32D=-PE) 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 2026-05-24. Price and availability subject to change.
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