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Kioxia SSD 512GB M.2 2230 30mm NVMe PCIe Gen3 x4 KBG40ZNS512G BG4 Solid State Drive for Surface Pro Steam Deck Dell HP Lenovo Ultrabook Tablet
KIOXIA

Kioxia SSD 512GB M.2 2230 30mm NVMe PCIe Gen3 x4 BG4 Solid State Drive

Bottom line: The Kioxia SSD 512GB M.2 2230 30mm NVMe PCIe Gen3 x4 BG4 Solid State Drive is a specs-and-price decision rather than a crowd-consensus one in the ssds & storage category. Check the specification table below against one or two close alternatives — on price and spec fit, not on star ratings.

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Mike Perry — Hardware researcher since 2014. For SSDs and PC storage upgrades, synthesises manufacturer specs and independent reviews rather than first-hand lab testing. Core beat: GPU performance across gaming, rendering, and local-LLM inference.

Pros & Cons

Pros

  • ✓ Sequential read/write up to (MB/s): 2200/1400
  • ✓ Backed by KIOXIA's warranty and support channels

Cons

  • ✗ Confirm socket / form-factor / power-rating compatibility against your build before ordering
  • ✗ Price, stock, shipping and returns are set by the retailer and may have changed since this page was last updated

Manufacturer description

Kioxia SSD 512GB M.2 2230 30mm NVMe PCIe Gen3 x4 KBG40ZNS512G BG4 Solid State Drive for Surface Pro Steam Deck Dell HP Lenovo Ultrabook Tablet

SpecPicks Verdict

SpecPicks scored Kioxia SSD 512GB M.2 2230 30mm NVMe PCIe Gen3 x4 BG4 Solid State Drive using a rating × review-volume × price-fit model applied to published specs and reviews across the ssds & storage category. KIOXIA's ssds & storage 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 ssds & storage 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

  • Sequential read/write up to (MB/s): 2200/1400
  • Random read/write up to (IOPS): 330K/190K
  • Form factor, Interface: M.2 2280, NVMe PCIe Gen3 x4
  • Compatibility: Surface Pro, Surface, Steam Deck and other systems with M.2 2230 NVMe PCIe slot

Full Specifications

BrandKIOXIA
ColorBlack
Weight512g
Model NameKioxia BG4 Series
Read Speed2200 megabytes_per_second
Form FactorM2
Media Speed1400 megabits_per_second
Model NumberKBG40ZNS512G
CompatibilitySurface Pro, Surface, Steam Deck and other systems with M.2 2230 NVMe PCIe slot
Built-In MediaSSD
Hard-Drive Size512 GB
Mfr Part NumberKBG40ZNS512G
Number of Items1
Special FeaturePortable
Installation TypeInternal Hard Drive
Compatible DevicesTablet
Data Transfer Rate2299 megabytes_per_second
Enclosure MaterialNand
Additional FeaturesPortable
Hard Disk InterfacePCIE x 4
Full listing titleKioxia SSD 512GB M.2 2230 30mm NVMe PCIe Gen3 x4 KBG40ZNS512G BG4 Solid State Drive for Surface Pro Steam Deck Dell HP Lenovo Ultrabook Tablet

Ready to buy?

Kioxia SSD 512GB M.2 2230 30mm NVMe PCIe Gen3 x4 KBG40ZNS512G BG4 Solid State Drive for Surface Pro Steam Deck Dell HP Lenovo Ultrabook Tablet 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.

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