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Samsung P9 Express, microSD Express Card · 512 GB

UK MB-MK512T/WW · White · 512 GB

Nominal capacity
512 GB
Storage device type
microSD flash memory card
Form factor
microSD

Samsung’s P9 Express, microSD Express Card in the exact UK MB-MK512T/WW configuration. Capacity, interface, form factor and rated performance refer to this exact storage configuration.

Prices & buying options

UK
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Price history · UK
eBay UKnew · GBP

Item price · same listing and exact model

Tracking started 19 Oct. One price recorded so far; more daily observations are needed to show changes.

Latest check£176.90
Lowest shown£176.90

1 observed day · 19 Oct–19 Oct

eBay UK observed item prices1 observed days. Last checked price per UTC day. Missing dates break the line. Use Explore dates or the table for exact values.
£176.9019 Oct, 12:27 UTC

Last recorded item price per UTC day. Delivery and tax are excluded. Gaps mean no recorded check. Past prices do not confirm current availability; this is not a market-wide price history.

View recorded prices
Exact listing · eBay UK · GBP
Checked (UTC)Item price
£176.90
Price history · US
eBay USnew · USD

Item price · same listing and exact model

Tracking started 19 Oct. One price recorded so far; more daily observations are needed to show changes.

Latest check$199.75
Lowest shown$199.75

1 observed day · 19 Oct–19 Oct

eBay US observed item prices1 observed days. Last checked price per UTC day. Missing dates break the line. Use Explore dates or the table for exact values.
$199.7519 Oct, 12:27 UTC

Last recorded item price per UTC day. Delivery and tax are excluded. Gaps mean no recorded check. Past prices do not confirm current availability; this is not a market-wide price history.

View recorded prices
Exact listing · eBay US · USD
Checked (UTC)Item price
$199.75

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THE ACTUAL PRODUCT
microSD Express Card P9 Express Front White
Official product image · Image source detailsProduct imagery does not establish a retailer’s bundle or condition.
Compare with Samsung P9 Express, microSD Express Card · 256 GB
Explore alternativesUpgrade from this product

Specifications checked 17 Oct 2026Manufacturer specifications, not a hands-on test.

Options worth comparing

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The nearest checked drives by key specifications, with what differs from the Samsung P9 Express, microSD Express Card · 512 GB. The first matches the Compare button above.

The useful part.

Key strengths

The manufacturer lists nominal capacity: 512.0.

Manufacturer source

The exact UK manufacturer identifier MB-MK512T/WW distinguishes this configuration from other models and bundles.

Manufacturer source
The checks that matter.

Before you buy

Published performance and battery figures are manufacturer claims. Actual results depend on configuration, settings and use; an unlisted feature or condition remains unknown.

Manufacturer source
Every specification. With its source.

Full specifications

Suggest a correctionOur publishing standard

Exact configuration: UK MB-MK512T/WW · White · 512 GB

30 specifications in 6 groups. Values are manufacturer specifications unless a row says “Measured result” or “Calculated from cited specifications”. 2 rows repeat listed facts in the manufacturer’s own wording, kept under “Manufacturer wording”.

Capacity & format

11 items
Nominal capacity
512 GB

Manufacturer capacity: 512GB (1GB=1Billion byte)* Actual storage capacity may be lower than the labeled capacity. Part of the storage may be used for system files and other storage control purposes.. Decimal TB converted to GB where needed; formatted usable capacity is lower.

Source
Storage device type
microSD flash memory cardSource
Form factor
microSDSource
Interface
PCIe Gen3.0x1, NVMe 1.3, SD 7.1, UHS-ISource
Dimensions
15x11x1 mmSource
General Feature — Product Type
microSDXC Memory Card

Manufacturer claim in the exact MB-MK512T/WW specification. Source wording, unit and scope retained; unlisted conditions remain unknown.

Source
General Feature — Product Name
P9 Express

Manufacturer claim in the exact MB-MK512T/WW specification. Source wording, unit and scope retained; unlisted conditions remain unknown.

Source
General Feature — Capacity
512GB (1GB=1Billion byte)* Actual storage capacity may be lower than the labeled capacity. Part of the storage may be used for system files and other storage control purposes.

Manufacturer claim in the exact MB-MK512T/WW specification. Source wording, unit and scope retained; unlisted conditions remain unknown.

Source
General Feature — NAND Type
Samsung V-NAND TLC

Manufacturer claim in the exact MB-MK512T/WW specification. Source wording, unit and scope retained; unlisted conditions remain unknown.

Source
General Feature — Controller
SM2708

Manufacturer claim in the exact MB-MK512T/WW specification. Source wording, unit and scope retained; unlisted conditions remain unknown.

Source
General Feature — Weight
Approx. 0.25g

Manufacturer claim in the exact MB-MK512T/WW specification. Source wording, unit and scope retained; unlisted conditions remain unknown.

Source
Manufacturer wording (2)

The same facts in the manufacturer’s combined or original wording, each with its source.

General Feature — Interface
PCIe Gen3.0x1, NVMe 1.3, SD 7.1, UHS-I

Manufacturer claim in the exact MB-MK512T/WW specification. Source wording, unit and scope retained; unlisted conditions remain unknown.

Source
General Feature — Dimension (WxHxD)
15x11x1 mm

Manufacturer claim in the exact MB-MK512T/WW specification. Source wording, unit and scope retained; unlisted conditions remain unknown.

Source

Performance

8 items
Rated performance and conditions
SD Express 800 MB/s, UHS-I 90 MB/s (Sequential Read); U3, V30, A1 (Speed Class); SD Express 65K IOPS, UHS-I 2K IOPS (Random Read (4 KB, QD32)); SD Express 52K IOPS, UHS-I 2K IOPS (Random Write (4KB, QD32)); SD Express 9K IOPS, UHS-I 2K IOPS (Random Read (4 KB, QD1)); SD Express 30K IOPS, UHS-I 2K IOPS (Random Write (4 KB, QD1)); Support (HMB (Host Memory Buffer))

Manufacturer performance claims; supplied test conditions/maximum wording retained. Not an independent benchmark. Manufacturer claim in the exact MB-MK512T/WW specification. Source wording, unit and scope retained; unlisted conditions remain unknown. Manufacturer section: Performance. Source field: Sequential Read. Manufacturer claim in the exact MB-MK512T/WW specification. Source wording, unit and scope retained; unlisted conditions remain unknown. Manufacturer section: Performance. Source field: Speed Class. Manufacturer claim in the exact MB-MK512T/WW specification. Source wording, unit and scope retained; unlisted conditions remain unknown. Manufacturer section: Performance. Source field: Random Read (4 KB, QD32). Manufacturer claim in the exact MB-MK512T/WW specification. Source wording, unit and scope retained; unlisted conditions remain unknown. Manufacturer section: Performance. Source field: Random Write (4KB, QD32). Manufacturer claim in the exact MB-MK512T/WW specification. Source wording, unit and scope retained; unlisted conditions remain unknown. Manufacturer section: Performance. Source field: Random Read (4 KB, QD1). Manufacturer claim in the exact MB-MK512T/WW specification. Source wording, unit and scope retained; unlisted conditions remain unknown. Manufacturer section: Performance. Source field: Random Write (4 KB, QD1). Manufacturer claim in the exact MB-MK512T/WW specification. Source wording, unit and scope retained; unlisted conditions remain unknown. Manufacturer section: Performance. Source field: HMB (Host Memory Buffer).

Source
Performance — Sequential Read
SD Express 800 MB/s, UHS-I 90 MB/s

Manufacturer claim in the exact MB-MK512T/WW specification. Source wording, unit and scope retained; unlisted conditions remain unknown.

Source
Performance — Speed Class
U3, V30, A1

Manufacturer claim in the exact MB-MK512T/WW specification. Source wording, unit and scope retained; unlisted conditions remain unknown.

Source
Performance — Random Read (4 KB, QD32)
SD Express 65K IOPS, UHS-I 2K IOPS

Manufacturer claim in the exact MB-MK512T/WW specification. Source wording, unit and scope retained; unlisted conditions remain unknown.

Source
Performance — Random Write (4KB, QD32)
SD Express 52K IOPS, UHS-I 2K IOPS

Manufacturer claim in the exact MB-MK512T/WW specification. Source wording, unit and scope retained; unlisted conditions remain unknown.

Source
Performance — Random Read (4 KB, QD1)
SD Express 9K IOPS, UHS-I 2K IOPS

Manufacturer claim in the exact MB-MK512T/WW specification. Source wording, unit and scope retained; unlisted conditions remain unknown.

Source
Performance — Random Write (4 KB, QD1)
SD Express 30K IOPS, UHS-I 2K IOPS

Manufacturer claim in the exact MB-MK512T/WW specification. Source wording, unit and scope retained; unlisted conditions remain unknown.

Source
Performance — HMB (Host Memory Buffer)
Support

Manufacturer claim in the exact MB-MK512T/WW specification. Source wording, unit and scope retained; unlisted conditions remain unknown.

Source

Endurance & warranty

2 items
Manufacturer warranty and endurance
Limited 3-year warranty. * Warranty does not extend to dashcam, CCTV, surveillance camera and other write-intensive uses.Source
Warranty
Limited 3-year warranty. * Warranty does not extend to dashcam, CCTV, surveillance camera and other write-intensive uses.

Manufacturer claim in the exact MB-MK512T/WW specification. Source wording, unit and scope retained; unlisted conditions remain unknown.

Source

Features & software

1 item
Certification — EMC
CE(UKCA)/FCC/VCCI/RCM

Manufacturer claim in the exact MB-MK512T/WW specification. Source wording, unit and scope retained; unlisted conditions remain unknown.

Source

Environment & reliability

7 items
Environment — Non-Operating Temperature
-40~85℃

Manufacturer claim in the exact MB-MK512T/WW specification. Source wording, unit and scope retained; unlisted conditions remain unknown.

Source
Environment — Operating Temperature
0~45℃

Manufacturer claim in the exact MB-MK512T/WW specification. Source wording, unit and scope retained; unlisted conditions remain unknown.

Source
Environment — Magnetic
15,000 Gauss, 30 secs

Manufacturer claim in the exact MB-MK512T/WW specification. Source wording, unit and scope retained; unlisted conditions remain unknown.

Source
Environment — X-ray
100 mGy

Manufacturer claim in the exact MB-MK512T/WW specification. Source wording, unit and scope retained; unlisted conditions remain unknown.

Source
Environment — Water
1M depth, 3% NaCl, 25℃

Manufacturer claim in the exact MB-MK512T/WW specification. Source wording, unit and scope retained; unlisted conditions remain unknown.

Source
Environment — Humidity
40℃/93%, 85℃/85%

Manufacturer claim in the exact MB-MK512T/WW specification. Source wording, unit and scope retained; unlisted conditions remain unknown.

Source
Environment — Durability
10,000 mating cycles

Manufacturer claim in the exact MB-MK512T/WW specification. Source wording, unit and scope retained; unlisted conditions remain unknown.

Source

Compatibility & box

1 item
General Feature — Application
Compatible with devices that include a microSDXC™ slot, including Mobile phone, Tablet, Action Camera, Drone, Laptop, Gaming console, etc.

Manufacturer claim in the exact MB-MK512T/WW specification. Source wording, unit and scope retained; unlisted conditions remain unknown.

Source
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