# Team Group T-Force Cardea II 256GB NVMe SSD Review (2026)

The Team Group T-Force Cardea II 256GB wraps Phison E12 NVMe performance in a patented finned aluminum heatsink — but at 256GB, the limited NAND parallelism caps write speeds to 1,000 MB/s.

Quick answer: The Cardea II 256GB is a niche product: the finned heatsink is visually striking and thermally effective, but the 256GB capacity's 1,000 MB/s write speed undermines the enthusiast positioning. For a boot drive where reads dominate, it works well and looks good doing it. For any write-heavy use case, the 512GB or 1TB model delivers dramatically better write speeds at a modest price increase. Competitors like the ADATA XPG SX8200 Pro 256GB offer similar read performance without the heatsink premium. The heatsink makes sense for builds where visible M.2 cooling is desired and the motherboard lacks integrated M.2 heatsinks.

## Specifications

| Specification | Value |
| --- | --- |
| Capacity | 256 GB |
| Interface | M.2 3.0 x 4 |
| Controller | Phison PS5012-E12 |
| Memory type | Toshiba 64L 3D TLC |
| DRAM cache | DDR3 or DDR4 |
| Sequential read | 3400 MB/s |
| Sequential write | 1000 MB/s |
| Random read IOPS | 180000 |
| Random write IOPS | 150000 |
| Endurance | 380 TBW |
| MTBF | 2 |
| Warranty | 3 years |

## Performance

Team Group rates the Cardea II 256GB at 3,000 MB/s sequential read and 1,000 MB/s sequential write. The read speed is competitive for a PCIe 3.0 drive at this capacity, but the write speed is barely above SATA territory. This is a platform limitation, not a design flaw — all Phison E12 drives at 256GB show similarly reduced write speeds due to limited NAND parallelism.

Random performance at 180K read and 150K write IOPS is adequate for desktop use. At QD1 — the queue depth most relevant to gaming and OS use — the drive performs similarly to other E12 SSDs regardless of capacity. The finned heatsink keeps temperatures well below throttling, which is beneficial during extended use. For primarily read-heavy workloads like OS boot and game loading, the Cardea II 256GB delivers responsive performance. For write-heavy tasks like game installs and file transfers, the 1,000 MB/s ceiling is a noticeable bottleneck.

## Endurance, TBW & Warranty

The Cardea II 256GB carries a 380 TBW endurance rating with a 3-year warranty. Team Group's T-Force gaming line typically offers shorter warranties than premium competitors with 5-year terms. At 20 GB of daily writes — reasonable for a boot drive — the 380 TBW rating translates to roughly 52 years. The MTBF is rated at 2.0 million hours. The finned heatsink may help extend flash life by keeping operating temperatures lower, though TBW is primarily determined by program-erase cycle counts rather than temperature within normal operating ranges.

## Pros and Cons

**Pros:**

- 3,000 MB/s sequential read on PCIe 3.0
- Patented finned aluminum heatsink
- Phison E12 with DRAM cache
- 380 TBW endurance
**Cons:**

- 1,000 MB/s write speed is barely above SATA
- 256GB capacity fills quickly
- Heatsink too tall for laptops and some motherboards
- 3-year warranty on a gaming-branded product


## Verdict

The Cardea II 256GB is a niche product: the finned heatsink is visually striking and thermally effective, but the 256GB capacity's 1,000 MB/s write speed undermines the enthusiast positioning. For a boot drive where reads dominate, it works well and looks good doing it. For any write-heavy use case, the 512GB or 1TB model delivers dramatically better write speeds at a modest price increase. Competitors like the ADATA XPG SX8200 Pro 256GB offer similar read performance without the heatsink premium. The heatsink makes sense for builds where visible M.2 cooling is desired and the motherboard lacks integrated M.2 heatsinks.

## Frequently Asked Questions

### Is the Team Group Cardea II 256GB good for gaming?

As a boot drive or for a small number of games, yes. The 3,000 MB/s read speed and Phison E12 with DRAM deliver responsive game loading. However, 256GB holds only two or three modern AAA titles alongside the OS. The 1,000 MB/s write speed means game installs and updates are slow. For a gaming-focused drive, the 1TB model with 3,000 MB/s writes is a far better choice.

### What is the TBW endurance of the Cardea II 256GB?

The Cardea II 256GB is rated for 380 TBW (terabytes written) with a 3-year warranty. At 20 GB of writes per day, this translates to roughly 52 years of use. For a boot drive with mostly read traffic, the endurance is more than sufficient. The TBW is consistent with other Phison E12 drives at 256GB.

### Does the Cardea II heatsink really help?

Team Group claims the patented finned heatsink reduces temperatures by up to 10 degrees in a closed case and 30 degrees in open air compared to no heatsink. Guru3D's testing confirmed effective cooling, with the drive maintaining full speed under extended workloads. The heatsink is particularly useful for systems without motherboard-integrated M.2 cooling. If the motherboard already has an M.2 heatsink, the Cardea II's heatsink can be removed.

### How does the 256GB compare to the 1TB Cardea II?

The 1TB model is dramatically faster: 3,400 MB/s read vs 3,000 MB/s, and 3,000 MB/s write vs 1,000 MB/s — three times the write speed. The 1TB also has 1,665 TBW endurance versus 380 TBW and a 3-year warranty. The performance gap is entirely due to NAND parallelism at higher capacities. For any use case beyond a basic boot drive, the 1TB is the better drive.

### Can I remove the Cardea II heatsink?

Yes. The finned aluminum heatsink is attached with thermal adhesive and can be removed. Once removed, the bare M.2 drive will fit under motherboard-integrated M.2 heatsinks. Removal may also be necessary for laptops where the heatsink's height is incompatible. After removal, the drive is a standard M.2 2280 NVMe SSD with no special clearance requirements.

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Last updated: 2026-05-17. Source: https://ssdrive.net/team-group-t-force-cardea-ii-256-gb