Steam Deck OLED · MicroSD cards

Which microsd cards fit Steam Deck OLED?

2 products have passed evidence review for this device. All of them fit without a limitation. None of them include an additional note.

Every answer cites a source

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The answers

MicroSD cards for Steam Deck OLED, one by one

Whether it fits is settled first. Whether it is worth buying is a separate label.

Is Lexar Professional SILVER PLUS microSDXC, 1TB compatible with Steam Deck OLED?

Lexar

Yes, it fits.CompatibleUseful

Lexar includes Steam Deck in the tested-device compatibility for the SILVER PLUS microSDXC line.

Manufacturer confirmedVerified Jul 30, 2026USFeature parity: Full

The source behind this answer

Lexar — Professional SILVER PLUS microSDXC UHS-I CardLocationListing for "Lexar Professional SILVER PLUS microSDXC, 1TB"SupportsLexar lists Steam Deck compatibility for its Professional SILVER PLUS microSDXC card.Manufacturer specification · Accessed Jul 30, 2026

Is Lexar Professional SILVER PLUS microSDXC, 512GB compatible with Steam Deck OLED?

Lexar · Part LMSPPL512G-BNNNG

Yes, it fits.CompatibleUseful

Lexar includes Steam Deck in the tested-device compatibility for the SILVER PLUS microSDXC line.

Manufacturer confirmedVerified Jul 30, 2026USFeature parity: Full

The source behind this answer

Lexar — Professional SILVER PLUS microSDXC UHS-I CardLocationListing for "Lexar Professional SILVER PLUS microSDXC, 512GB"SupportsLexar lists Steam Deck compatibility for its Professional SILVER PLUS microSDXC card.Manufacturer specification · Accessed Jul 30, 2026

Side by side

Attribute	Lexar Professional SILVER PLUS microSDXC, 1TB	Lexar Professional SILVER PLUS microSDXC, 512GB
Fits Steam Deck OLED	Compatible	Compatible
Worth buying	Useful	Useful
Capacity gb	1000 GB	512 GB
Interface	UHS-I	UHS-I
Speed class	U3/V30/A2	U3/V30/A2
Made by	Lexar	Lexar
Part number	Not recorded	LMSPPL512G-BNNNG
Note before buying	None recorded	None recorded
Evidence	Manufacturer confirmed	Manufacturer confirmed

Bottom line

Fit is settled above. This is who each one suits once fit is no longer the question.

Lexar Professional SILVER PLUS microSDXC, 1TBThe common second purchase once the essentials are covered. The only one on this page recording Capacity gb — 1000 GB.
Lexar Professional SILVER PLUS microSDXC, 512GBThe common second purchase once the essentials are covered. The only one on this page recording Capacity gb — 512 GB.

Already own one of these?

Fit rarely carries across generations, so this lists only the exact models each product is separately documented to fit.

None of these microsd cards is documented to fit any other model we cover. Treat each one as specific to Steam Deck OLED.

Same device

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