Kioxia Exceria Plus G3 2TB Review — the Range's Sweet Spot (2026)
Quick answer
Buy the Kioxia Exceria Plus G3 2TB when the 1 TB model filled up and the formula still fits: it is the same proven NAND-giant platform with double the endurance and double the room, at a price per terabyte that undercuts most name brands.
Read: 5000 MB/s Write: 3900 MB/s Endurance: 1200 TBW Warranty: 5 years Interface: M.2 4.0 x 4
The Kioxia Exceria Plus G3 2TB doubles endurance to 1,200 TBW at the family's full 5,000/3,900 MB/s ratings — NAND-giant storage at its most sensible.

Controller & Memory
The Kioxia Exceria Plus G3 2TB is the capacity that makes the most of Kioxia's mainstream Gen4 formula. As one of the world's two original NAND manufacturers, Kioxia builds this drive vertically integrated: its own BiCS6 TLC flash, its own firmware validation, and a DRAM-less controller platform with Host Memory Buffer doing the housekeeping. Ratings sit at 5,000 MB/s reads and 3,900 MB/s writes over PCIe 4.0 x4, with a family random rating of 770K reads and 950K writes — writes rated higher than reads, an unusual and welcome quirk for a drive that spends its life absorbing installs.
At 2 TB, the endurance budget doubles to 1,200 TBW under the 5-year limited warranty, and KitGuru's review of exactly this model confirmed the ratings and delivered a positive verdict for the family. The range intentionally stops at two capacities — there is no 4 TB Exceria Plus G3 — which makes this the line's flagship by default. And do not confuse it with the PCIe 5.0 Exceria G3 (non-Plus), a different, faster drive. Against the value tier, the WD Blue SN580 and Kingston NV3 compete on price, while Crucial's P3 Plus concedes the TLC-versus-QLC argument this Kioxia wins.
The audience is the buyer whose 1 TB drive filled up and who wants the same proven formula with twice the room: a full game library, a content archive, or a second machine's main storage. At 2 TB, the price per terabyte lands closer to the bargain brands than the name brands, with Kioxia's provenance attached.
Storage Comparisons:
Exceria Plus G3 Performance & Benchmarks
Kioxia rates the 2 TB Exceria Plus G3 at 5,000 MB/s sequential reads, 3,900 MB/s writes, and 770K/950K random read/write IOPS. KitGuru's 2 TB review tested the family and confirmed the endurance ratings behind a positive verdict, describing a drive that behaves exactly as a mainstream DRAM-less Gen4 design should: strong burst transfers, honest sustained behavior, no thermal drama in a ventilated slot.
Kioxia Exceria Plus G3 2 TB vs M.2 4.0 x 4 peers
Switch between sequential throughput and random IOPS to see how this drive stacks up against other M.2 4.0 x 4 SSDs in our database. The highlighted bar is the drive on this page — click any other bar to open that drive.
- Patriot Viper PV593 1 TB: 14,500 MB/s read, 14,000 MB/s write
- Patriot Viper PV593 2 TB: 14,500 MB/s read, 14,000 MB/s write
- Patriot Viper PV593 4 TB: 14,500 MB/s read, 14,000 MB/s write
- Patriot Viper PV573 2 TB: 14,000 MB/s read, 12,000 MB/s write
- Kioxia Exceria Plus G3 2 TB (this drive): 5,000 MB/s read, 3,900 MB/s write
In practice the numbers translate to a drive that feels identical to pricier Gen4 hardware in boot times, application launches, and game loads, with the 3,900 MB/s write rating handling installs and batch copies without fuss. The pseudo-SLC cache scales with the 2 TB NAND complement, so real-world transfers mostly stay inside the fast zone; only very large sustained copies settle to native TLC rates for the remainder. The higher-rated random-write figure — 950K — is the quiet standout, keeping desktop multitasking and library churn responsive without DRAM. For a mainstream 2 TB workload, reviewers found nothing missing that the price class implies should be.
Kioxia Exceria Plus G3 vs Competitors
See how the Exceria Plus G3 stacks up against other M.2 4.0 x 4 drives in our database:
Compare with rival drives:
Endurance, TBW & Warranty
Kioxia rates the Exceria Plus G3 2TB at 1,200 TBW under a 5-year limited warranty, whichever arrives first — double the 1 TB model's budget and a figure KitGuru's review confirmed directly from the family's ratings. At a demanding 40 GB of writes per day, that budget stretches past eight decades, so the warranty term is the practical limit for any personal workload. The vertical-integration argument applies here too: with Kioxia manufacturing the flash and validating the firmware, the reliability story does not depend on third-party NAND sourcing. Claims run through Kioxia's standard support channels; keeping the retailer's proof of purchase is the sensible practice.
Kioxia Exceria Plus G3 2 TB Specifications
| Category | Value |
|---|---|
| Capacity [?] | 2 TB |
| Interface [?] | M.2 4.0 x 4 |
| Controller [?] | Phison E21T 4 channel |
| Memory type [?] | Kioxia BiCS6 162-L TLC |
| DRAM [?] | No |
| Read speed (MB/s) [?] | 5000 |
| Write speed (MB/s) [?] | 3900 |
| Read IOPS [?] | 770000 |
| Write IOPS [?] | 950000 |
| Endurance (TBW) [?] | 1200 |
| MTBF (million hours) [?] | 1500000 |
| Warranty (years) [?] | 5 |
Verdict: Is the Exceria Plus G3 Worth It in 2026?
Buy the Kioxia Exceria Plus G3 2TB when the 1 TB model filled up and the formula still fits: it is the same proven NAND-giant platform with double the endurance and double the room, at a price per terabyte that undercuts most name brands. Skip it if you need more than 2 TB — the range ends here — or if 7,000 MB/s-class reads are the requirement, where Kioxia's own PCIe 5.0 Exceria G3 or a Gen4 flagship serves better. The WD Blue SN580 2TB and Kingston NV3 2TB are the bracket alternatives. As the sensible top of the Exceria Plus G3 range, this is the configuration to buy.
+ Pros
- 1,200 TBW endurance with 5-year warranty
- 5,000 MB/s reads and 3,900 MB/s writes
- 950K random-write IOPS rating
- TLC NAND from Kioxia itself
- KitGuru-verified endurance figures
- Cons
- No DRAM cache on the PCB
- Range stops at 2 TB
- Reads trail the 7,000 MB/s Gen4 club
- Controller not officially documented
Buy this or similar SSD Storage:
Video Review
This SSD is CRAZY Fast! ⚡ KIOXIA EXCERIA G3 2TB Review