# Kioxia Exceria Plus G3 1TB Review — NAND Maker's Own Mainstream (2026)

The Kioxia Exceria Plus G3 1TB is the NAND giant's own mainstream Gen4 drive — 5,000 MB/s reads, 600 TBW endurance and a 5-year warranty.

Quick answer: Buy the Kioxia Exceria Plus G3 1TB when brand provenance matters as much as the spec sheet: a NAND manufacturer's own mainstream drive, with 5,000/3,900 MB/s ratings, 600 TBW of endurance, and five years of coverage at a value-tier price. Skip it if peak speed is the point — the 5,000 MB/s rating trails the 7,000 MB/s club — or if you need 4 TB, because the range stops at 2 TB. The WD Blue SN580 and Kingston NV3 undercut or out-spec it in places, and Kioxia's own PCIe 5.0 Exceria G3 serves speed hunters. As the safe, proven mainstream pick from a NAND giant, this drive is easy to stand behind.

## Specifications

| Specification | Value |
| --- | --- |
| Capacity | 1 TB |
| Interface | M.2 4.0 x 4 |
| Controller | Phison E21T 4 channel |
| Memory type | Kioxia BiCS6 162-L TLC |
| DRAM cache | No |
| Sequential read | 5000 MB/s |
| Sequential write | 3900 MB/s |
| Random read IOPS | 770000 |
| Random write IOPS | 950000 |
| Endurance | 600 TBW |
| MTBF | 1500000 |
| Warranty | 5 years |

## Performance

Kioxia rates the 1 TB Exceria Plus G3 at 5,000 MB/s sequential reads, 3,900 MB/s writes, and — unusually for the class — a random rating of 770K reads and 950K writes, with writes rated higher than reads. Those are manufacturer figures, but the family has credible independent coverage: KitGuru's 2 TB review confirmed the endurance ratings and delivered a positive verdict, and the platform's character is exactly what the numbers suggest — strong burst performance for a DRAM-less design with the random-write strength that makes everyday multitasking feel snappy.

In use, the 5,000 MB/s read rating loads operating systems and games with no perceptible penalty against 7,000 MB/s-class drives, and the 3,900 MB/s write rating handles installs and batch copies comfortably. The DRAM-less fine print applies: a pseudo-SLC cache absorbs bursts, and very large sustained transfers eventually settle to native TLC rates — standard behavior for the tier, and a non-event for boot-and-games duty. Thermals are a non-issue for a mainstream DRAM-less build in a ventilated slot. Reviewers consistently described the family as delivering exactly what a mainstream drive should: no drama, no weak spots, brand-proven NAND underneath.

## Endurance, TBW & Warranty

Kioxia backs the Exceria Plus G3 1TB with a 5-year limited warranty rated to 600 TBW, whichever arrives first — TechPowerUp called the coverage excellent and the endurance typical in the best sense for the class. At a modest 20 GB of writes per day, the budget stretches past eight decades, so the warranty term is the practical limit. The 2 TB model doubles the endurance budget to 1,200 TBW on the same terms. As the NAND maker itself, Kioxia's vertical integration is a quiet reliability argument: flash, firmware, and validation come from the same company, and claims run through Kioxia's standard support channels with the usual proof-of-purchase practice.

## Pros and Cons

**Pros:**

- 5,000 MB/s reads and 3,900 MB/s writes
- 600 TBW endurance with 5-year warranty
- NAND made and validated by Kioxia itself
- 950K random-write IOPS rating
- TLC NAND, not QLC
**Cons:**

- No DRAM cache on the PCB
- Reads trail the 7,000 MB/s Gen4 club
- Range stops at 2 TB
- Controller not officially documented


## Verdict

Buy the Kioxia Exceria Plus G3 1TB when brand provenance matters as much as the spec sheet: a NAND manufacturer's own mainstream drive, with 5,000/3,900 MB/s ratings, 600 TBW of endurance, and five years of coverage at a value-tier price. Skip it if peak speed is the point — the 5,000 MB/s rating trails the 7,000 MB/s club — or if you need 4 TB, because the range stops at 2 TB. The WD Blue SN580 and Kingston NV3 undercut or out-spec it in places, and Kioxia's own PCIe 5.0 Exceria G3 serves speed hunters. As the safe, proven mainstream pick from a NAND giant, this drive is easy to stand behind.

## Frequently Asked Questions

### Is the Kioxia Exceria Plus G3 1TB compatible with the PS5?

No — not in this configuration. The 5,000 MB/s read rating sits just under Sony's 5,500 MB/s recommendation, the drive ships without the heatsink Sony requires, and 1 TB is the bare minimum for a modern console library. For a PS5 upgrade, Kioxia's faster Exceria with Heatsink models or a drive rated above the guidance is the better route; the Plus G3 1TB is a PC boot drive through and through.

### Is the Kioxia Exceria Plus G3 1TB good for gaming?

For a mainstream gaming PC, yes. The 5,000 MB/s read rating loads games and levels with no perceptible penalty versus faster Gen4 drives, the 3,900 MB/s write rating handles 100 GB-plus installs comfortably, and 1 TB holds an operating system plus a rotating game selection. The DRAM-less design has no measurable effect on game loading, and the strong 950K random-write IOPS rating keeps the drive responsive when games and apps share it.

### Does the Kioxia Exceria Plus G3 have a DRAM cache?

No — the Exceria Plus G3 is a DRAM-less design. Its controller uses Host Memory Buffer to store the flash translation tables in system RAM, and a pseudo-SLC cache carved from the NAND absorbs burst writes. For boot duty, gaming, and general desktop work, responsiveness is nearly indistinguishable from DRAM-equipped drives. Sustained heavy writing is where the design shows, with throughput settling to native TLC rates after very large transfers exhaust the cache.

### What is the TBW endurance of the Exceria Plus G3 1TB?

The 1 TB model is rated at 600 TBW under a 5-year limited warranty, whichever arrives first — a typical figure for a TLC mainstream drive, and one TechPowerUp described in exactly those terms. At a modest 20 GB of writes per day, that budget stretches past eight decades, so the 5-year warranty term is the practical limit. The 2 TB model doubles the endurance budget to 1,200 TBW on the same terms.

### What is the difference between Exceria Plus G3 and Exceria G3?

The interface generation. The Exceria Plus G3 is Kioxia's mainstream PCIe 4.0 drive at up to 5,000 MB/s reads, while the plain Exceria G3 is the newer PCIe 5.0 line reaching around 10,000 MB/s. The naming is confusing but the positioning is clear: the Plus G3 is the value pick for standard Gen4 systems, and the Exceria G3 targets new Gen5 platforms and speed-focused buyers. For most PCIe 4.0 or Gen5-in-a-Gen4-slot builds, the Plus G3 delivers everything a mainstream workload needs.

### Kioxia Exceria Plus G3 1TB or WD Blue SN580 1TB?

Close cousins in the value tier. The Kioxia holds the rated-speed edge at 5,000/3,900 MB/s against the SN580's roughly 4,150/4,100, and matches its 5-year warranty while carrying the vertical-integration argument of a NAND maker's own drive. The WD answers with a longer retail track record and OEM pedigree. Both are DRAM-less TLC designs with similar real-world behavior. Choose the Kioxia for the faster ratings and brand provenance; choose the WD when familiarity and availability lead.

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Last updated: 2026-09-06. Source: https://ssdrive.net/kioxia-exceria-plus-g3-1-tb