64MB EDO SIMM 60ns 72-pin RAM Memory for E-mu esi-2000 esi-4000 E6400 (Ultra) E5000 (Ultra) E-Synth (Keys & Ultra) E-4K (E4K) E4X Turbo

Keystron

Keystron 64MB EDO SIMM 60ns 72-pin RAM Memory

Name: 64MB EDO SIMM 60ns 72-pin RAM Memory for E-mu esi-2000 esi-4000 E6400 (Ultra) E5000 (Ultra) E-Synth (Keys & Ultra) E-4K (E4K) E4X Turbo
Brand: Keystron
SKU: B019M5QC5U
Price: 20.00 USD
Availability: InStock

Bottom line: The Keystron 64MB EDO SIMM 60ns 72-pin RAM Memory is a specs-and-price decision rather than a crowd-consensus one in the memory & ram category, priced around $20.00 on Amazon as of 2026-10-06. Check the specification table below against one or two close alternatives — on price and spec fit, not on star ratings.

$20.00

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🛒 See live eBay price Also on Amazon — $20.00 Compare to similar memory & ram

By Mike Perry, Founder & Editor-in-Chief · Listing data updated 2026-10-06

Mike Perry — Hardware researcher since 2014. For retro PC hardware and period-correct parts, synthesises manufacturer documentation, community compatibility lists and marketplace listings rather than first-hand lab testing. Core beat: GPU performance across gaming, rendering, and local-LLM inference. About the author →

*Price sourced from Amazon.com. Last updated 2026-10-06. Price and availability subject to change.

Pros & Cons

Pros

✓ One 64MB 72-pin EDO SIMM without parity

Cons

✗ Confirm socket / form-factor / power-rating compatibility against your build before ordering
✗ Used and vintage listings vary by seller and condition — check the listing photos, description and return terms before buying

Manufacturer description

One 64MB 72-pin EDO SIMM without parity Part#: MK8DS1632E-60 100% Compatible with Lifetime Warranty

SpecPicks Verdict

SpecPicks scored Keystron 64MB EDO SIMM 60ns 72-pin RAM Memory using a rating × review-volume × price-fit model applied to published specs and reviews across the memory & ram category. Keystron's memory & ram 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 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 retailer's listing before purchase. Prices and stock are set by the retailer and may have moved since this page was last updated.

Key Features

One 64MB 72-pin EDO SIMM without parity
Part#: MK8DS1632E-60
100% Compatible with Lifetime Warranty
Manufactured by Keystron, LLC
Keystron is a registered trademark of Keystron, LLC

Full Specifications

Size	64 Mb
Brand	Keystron
Model	64MBEDO72
UnitCount	1
Manufacturer	Keystron, LLC
ItemPartNumber	64MBEDO72
Full listing title	64MB EDO SIMM 60ns 72-pin RAM Memory for E-mu esi-2000 esi-4000 E6400 (Ultra) E5000 (Ultra) E-Synth (Keys & Ultra) E-4K (E4K) E4X Turbo

Ready to buy?

64MB EDO SIMM 60ns 72-pin RAM Memory for E-mu esi-2000 esi-4000 E6400 (Ultra) E5000 (Ultra) E-Synth (Keys & Ultra) E-4K (E4K) E4X Turbo is vintage hardware; the used and vintage market on eBay carries most of the live inventory. Prices and condition vary by seller and move in real time, so we link the live listing rather than quote a cached price. It also has an Amazon listing — check it for current price and availability. 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 2026-10-06. Price and availability subject to change.