Kioxia
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The KIOXIA BG4 256 GB (KBG40ZNV256G) is an entry‑level, single‑sided M.2 2280 NVMe SSD targeting OEM and budget‑conscious upgrades. It offers solid sequential read performance, low power draw, and compact design but is limited by modest write speeds and lack of DRAM cache.
Pros
Cons
Current
$45.00
Average
$30.40
Lowest
$22.00
Highest
$67.82
Lower = better sales rank
StarTech.com
Odyson
Timetec
KIOXIA
JEYI
INLAND
KIOXIA
RIITOP
fanxiang
10Gtek
WD_BLACK
KIOXIA
![SABRENT 4-Drive NVMe M.2 SSD to PCIe 3.0 x4 Adapter Card [EC-P3X4]](https://m.media-amazon.com/images/I/41NmfT8xoAL._SL500_.jpg)
SABRENT
TEAMGROUP
TEAMGROUP
Fikwot
Fikwot
Gigastone
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From Expert Reviews
Praised by Experts
Criticized by Experts
From User Reviews
Users Love
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Best For
OEM system integrators and IT departments deploying standardized laptops, budget‑conscious users upgrading older M.2‑compatible systems, light‑productivity users (web browsing, office apps), boot‑drive replacements in desktops or servers, and embedded/industrial applications needing compact, low‑power storage.
Not Ideal For
Content creators, power users, gamers, or anyone needing high sustained write speeds such as video editing, virtual machines, or heavy data‑transfer workloads; also unsuitable for users seeking top‑tier Gen4 performance.
Expert Opinion
Professional reviewers view the BG4 as a cost‑effective OEM boot solution that delivers adequate performance for everyday tasks. They praise its compact single‑sided design and burst speed from SLC caching, but note that sustained write performance suffers without DRAM and that its sequential write speed lags behind competing Gen3 drives.
What Users Say
Everyday users appreciate the noticeable speed boost over SATA drives, the easy fit in thin laptops, and the low heat and power usage. Recurring complaints focus on slower write speeds and occasional performance hiccups under heavy multitasking, as well as difficulty finding the drive in standard retail outlets.
Common Complaints
Slow write speeds, performance inconsistency under load, limited retail availability.
What People Are Saying
“significant boot and application load improvements over SATA SSDs”
“low heat output and quiet operation”
How It Compares
vs. Samsung OEM PM981a (256 GB)
Advantages
Disadvantages
Choose the PM981a if you need faster sustained writes; stick with BG4 for lower cost and adequate read performance.
vs. WD Blue SN570 256 GB
Advantages
Disadvantages
SN570 is better for users prioritizing write speed, while BG4 is preferable for ultra‑low power and OEM compatibility.
vs. Crucial P3 256 GB
Advantages
Disadvantages
P3 suits those needing top write speeds; BG4 is a solid choice for durability‑focused, low‑power OEM deployments.
