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Sony Media Memory Stick Duo Replacement Adaptor (MSAC-M2)

Sony Media Memory Stick Duo Replacement Adaptor (MSAC-M2)

Bottom line: The Sony Media Memory Stick Duo Replacement Adaptor ($39.99 on Amazon as of 2026-10-07): Fits Memory Stick Duo cards into standard full-size Memory Stick slots; main trade-off: only works with Duo and PRO Duo cards, not SD, microSD or other card formats.

$39.99

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Buy on Amazon — $39.99 Compare to similar accessories

By , Founder & Editor-in-Chief · Listing data updated

Mike Perry — Hardware researcher since 2014, focused on GPU performance across gaming, rendering, and local-LLM inference. Synthesises community benchmarks, manufacturer specs, and public forum data into actionable buying guides.

*Price sourced from Amazon.com. Last updated 2026-10-07. Price and availability subject to change.

Pros & Cons

Pros

  • ✓ Fits Memory Stick Duo cards into standard full-size Memory Stick slots
  • ✓ Also supports Memory Stick PRO Duo media, according to Sony
  • ✓ Official Sony replacement for the adaptor bundled with Duo cards
  • ✓ Thin, compact and very light, so it stores easily with your cards

Cons

  • ✗ Only works with Duo and PRO Duo cards, not SD, microSD or other card formats
  • ✗ Passive adaptor: speed and capacity limits still depend on your host device
  • ✗ Older Memory Stick devices may not read PRO Duo media even with the adaptor
  • ✗ Small size makes it easy to misplace, which is why replacements are needed

Manufacturer description

The Sony Media Memory Stick Duo Replacement Adaptor (MSAC-M2) lets you use smaller Memory Stick Duo and Memory Stick PRO Duo cards in devices built for full-size Memory Stick media. Slide the Duo card into the adaptor and it fits a standard Memory Stick slot, so you can keep using older cameras, card readers, laptops and other Memory Stick hardware without buying a separate full-size card. This Sony adaptor is a replacement for the one that often gets lost after you buy a Duo card. It is compact, thin and very light, so it is easy to keep in a camera bag or card wallet with your media…

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SpecPicks Verdict

SpecPicks scored Sony Media Memory Stick Duo Replacement Adaptor using a rating × review-volume × price-fit model applied to published specs and reviews across the accessories category. Compare with similarly-priced alternatives in the accessories category before committing. 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 accessories 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.

Frequently Asked Questions

What does the Sony MSAC-M2 adaptor do?

It lets Memory Stick Duo and Memory Stick PRO Duo cards fit and work in standard full-size Memory Stick slots, so you can use the smaller cards in older Memory Stick devices.

Does the MSAC-M2 work with Memory Stick PRO Duo cards?

Yes. Sony's listing says it is compatible with both Memory Stick Duo and Memory Stick PRO Duo media. Your host device must also support PRO media for a PRO Duo card to be read.

Will this adaptor work with SD or microSD cards?

No. It is designed only for Memory Stick Duo and Memory Stick PRO Duo media. SD and microSD cards need a different adapter or reader.

Does the adaptor include a warranty?

Warranty details are not in the product information. Check the current Amazon listing or Sony's support site for current warranty terms before you buy.

Key Features

  • Memory Stick Duo replacement adaptor
  • Compatible with Memory Stick hardware
  • Always have access to your data

Full Specifications

BrandSony
Colorsilver
Model NameMemory Stick Duo Adaptor
Read Speed10 Megabytes Per Second
Unit Count1.0 Count
Media Speed5 MB/s to 60 MB/s
Model NumberMSAC-M2
Mfr Part NumberMSAC-M2
Flash Memory TypeMemory Stick Duo
Compatible DevicesDevices with Standard Memory Stick Media Slot
Additional FeaturesLightweight
Hardware ConnectivityMemory Stick Duo
Item Dimensions L x W0.85"L x 0.85"W
Global Trade Identification Number00027242620322, 04901780820238
Secure Digital Association Speed ClassClass 10

Ready to buy?

Sony Media Memory Stick Duo Replacement Adaptor (MSAC-M2) is listed on Amazon. Price, availability, shipping and returns are set by Amazon and its sellers — check the listing for current terms. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.

Buy on Amazon — $39.99

*Price sourced from Amazon.com. Last updated 2026-10-07. Price and availability subject to change.

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Sony Media Memory Stick Duo Replacement Adaptor (MSAC-M2)
$39.99
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