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
*Price sourced from Amazon.com. Last updated 2026-05-26. Price and availability subject to change.
Bottom line: The 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 a mid-pack option worth checking against alternatives in the ssds & storage category, priced around $139.99, rated 4.0★ across 75 verified Amazon reviews. Worth shortlisting, but check close alternatives before deciding.
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 classifies Kioxia SSD 512GB M.2 2230 30mm NVMe PCIe Gen3 x4 KBG40ZNS512G BG4… as a mid-pack option worth checking against alternatives in the ssds & storage category, based on 75 verified Amazon reviews and our ranking model that weights rating × review-volume × price-fit. KIOXIA's positioning sits within the broader category mid-tier. Use the Compare tool to put it side-by-side with two or three close alternatives before clicking through to Amazon.
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 Amazon listing before purchase. Prices, stock, and Prime eligibility update directly from Amazon's catalog and may have moved since this page was last verified.
Pros & Cons
Pros
- ✓ Solid 4.0★ customer rating
- ✓ Sequential read/write up to (MB/s): 2200/1400
- ✓ Backed by KIOXIA's warranty and support channels
- ✓ Ships via Amazon with Prime eligibility and the standard returns policy
Cons
- ✗ Confirm socket / form-factor / power-rating compatibility against your build before ordering
- ✗ Price, stock, and Prime eligibility update from Amazon and may have changed since this page was last verified
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
| Brand | KIOXIA |
|---|---|
| Color | Black |
| Weight | 512g |
| Model Name | Kioxia BG4 Series |
| Read Speed | 2200 Megabytes Per Second |
| Form Factor | M 2 |
| Media Speed | 1400 megabits_per_second |
| Model Number | KBG40ZNS512G |
| Compatibility | Surface Pro, Surface, Steam Deck and other systems with M.2 2230 NVMe PCIe slot |
| Built-In Media | SSD |
| Hard-Drive Size | 512 GB |
| Mfr Part Number | KBG40ZNS512G |
| Number of Items | 1 |
| Special Feature | Portable |
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 available on Amazon with Prime shipping and the full Amazon returns policy. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.
*Price sourced from Amazon.com. Last updated 2026-05-26. Price and availability subject to change.
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