# TeamGroup Cardea Z44L 250GB Review — Entry Gen4, Entry Trade-Offs (2026)

The TeamGroup Cardea Z44L 250GB brings Gen4 reads to the smallest budgets, but its 1,300 MB/s write rating and 150 TBW endurance mark it as strictly a boot-drive proposition.

Quick answer: The TeamGroup Cardea Z44L 250GB makes sense in exactly one scenario: a bare-minimum budget boot drive for an older system being pulled into the NVMe era, where its 3,300 MB/s reads transform everyday responsiveness. Anyone writing more than the occasional file should skip it — 1,300 MB/s writes and 150 TBW are the weakest figures in the Z44L lineup, and the 500GB model fixes both for a small step up in spend. The WD Blue SN580 500GB is the stronger alternative if the budget stretches at all, rating roughly 4,150 MB/s on both ends. As the cheapest door into Gen4 responsiveness, this drive does its one job honestly — but it is the capacity to buy only when nothing larger fits the budget.

## Specifications

| Specification | Value |
| --- | --- |
| Capacity | 250 GB |
| Interface | M.2 4.0 x 4 |
| Controller | Phison E19T |
| Memory type | 3D TLC |
| DRAM cache | No |
| Sequential read | 3300 MB/s |
| Sequential write | 1300 MB/s |
| Random read IOPS | 220000 |
| Random write IOPS | 400000 |
| Endurance | 150 TBW |
| MTBF | 3000000 |
| Warranty | 5 years |

## Performance

TeamGroup rates the Z44L 250GB at 3,300 MB/s sequential reads and 1,300 MB/s sequential writes over PCIe 4.0 x4, with random performance rated at 220K reads and 400K writes IOPS max. The read figure is genuine Gen4 territory — roughly six times a SATA drive — while the write rating is the real-world compromise, reflecting the small NAND population and correspondingly small SLC write cache on this capacity.

In practice, that split suits a boot drive and penalizes a work drive. Operating system startup, application launches and game loading are read-heavy, low-queue workloads where the Z44L behaves like any modern NVMe and feels identical to far more expensive hardware. Large file copies, game downloads and anything sustained will run into the cache wall quickly at this capacity, with throughput settling well below the headline once it exhausts. Tech-Legends' review of the 1TB Z44L described the family as delivering good performance for the money while remaining cool under load, and the graphene spreader plus low-power E19T platform give the 250GB similar thermal headroom. For PS5 use, both the capacity and the 3,300 MB/s read rating fall short of Sony's recommendations — this is a PC boot drive, not a console upgrade.

## Endurance, TBW & Warranty

TeamGroup covers the Z44L 250GB with a 5-year limited warranty rated to 150 TBW of writes, whichever arrives first. That is the lowest endurance rating in the Z44L range — 300 TBW at 500GB, 600 TBW at 1 TB and 1,200 TBW at 2 TB — but it scales consistently at 0.6 TBW per gigabyte. For a genuine boot-drive workload of around 10 to 20 GB written per day, 150 TBW represents roughly two decades of service, so the five-year calendar term is the realistic limit. The spec sheet lists MTBF at 3,000,000 hours, a population statistic about manufacturing reliability rather than a promise for any single unit. Claims are handled through TeamGroup's warranty channels with proof of purchase; TBW follows JEDEC definitions, with TeamGroup's own SMART tool as the reference in disputes.

## Pros and Cons

**Pros:**

- 3,300 MB/s reads transform boot responsiveness
- 5-year warranty with 150 TBW endurance
- Ultra-thin graphene heat spreader included
- Single-sided PCB fits any M.2 2280 slot
- NVMe 1.4 latency features (PLM, RRL)
**Cons:**

- 1,300 MB/s writes barely above SATA
- 150 TBW endurance, lowest in the range
- Tiny SLC cache exhausts quickly
- Too small and slow for the PS5


## Verdict

The TeamGroup Cardea Z44L 250GB makes sense in exactly one scenario: a bare-minimum budget boot drive for an older system being pulled into the NVMe era, where its 3,300 MB/s reads transform everyday responsiveness. Anyone writing more than the occasional file should skip it — 1,300 MB/s writes and 150 TBW are the weakest figures in the Z44L lineup, and the 500GB model fixes both for a small step up in spend. The WD Blue SN580 500GB is the stronger alternative if the budget stretches at all, rating roughly 4,150 MB/s on both ends. As the cheapest door into Gen4 responsiveness, this drive does its one job honestly — but it is the capacity to buy only when nothing larger fits the budget.

## Frequently Asked Questions

### Is the TeamGroup Cardea Z44L 250GB good for gaming?

Only in a narrow sense. As the boot drive of a gaming PC it is fine — game loading is read-driven, and 3,300 MB/s reads feel identical to much faster drives in that role. As a game library it fails twice over: 250 GB holds roughly two or three modern AAA titles, and the 1,300 MB/s write rating makes the initial downloads and installs the slowest of any Z44L capacity. A realistic setup pairs it with a larger secondary drive, or steps up to the 500GB or 1TB Z44L, which roughly double the write speed and the endurance budget.

### Is the TeamGroup Cardea Z44L 250GB compatible with the PS5?

Not in any useful way. Sony's published requirements accept capacities from 250 GB to 8 TB, so the drive technically clears the minimum, and its single-sided PCB with the thin graphene spreader fits the 11.25 mm height limit. But the 3,300 MB/s read rating falls well short of Sony's 5,500 MB/s recommendation, and a 250 GB drive offers barely any space after the system reserves its share. This capacity was designed as a PC boot drive; for a PS5, a 1 TB or larger Gen4 drive rated at 5,500 MB/s and above is the sensible entry point.

### Why is the Z44L 250GB write speed only 1,300 MB/s?

Flash parallelism. An SSD hits its rated write speed by striping data across many NAND dies simultaneously, and a 250 GB drive has the fewest dies in the lineup to stripe across. TeamGroup's spec sheet shows the pattern directly within one product family: 1,300 MB/s at 250GB, 2,400 MB/s at 500GB, 2,700 MB/s at 1 TB and 3,000 MB/s at 2 TB, all on the same Phison E19T platform. The small pseudo-SLC cache compounds it, exhausting quickly during sustained transfers. This is normal industry behavior, not a defect of this specific drive.

### What is the TBW endurance of the Z44L 250GB?

The 250GB model is rated at 150 TBW of host writes under a 5-year limited warranty, whichever arrives first. The family scales endurance at a consistent 0.6 TBW per gigabyte — 300 TBW at 500GB, 600 TBW at 1 TB, 1,200 TBW at 2 TB — so 150 TBW is proportionally standard for TLC NAND at this capacity, not a sign of lesser flash. At a light 10 to 20 GB of daily writes, realistic for a boot drive, the budget covers roughly two decades. TeamGroup calculates TBW to JEDEC definitions and references its own SMART tool for warranty disputes.

### Does the TeamGroup Cardea Z44L have a DRAM cache?

No — the entire Z44L family is DRAM-less. The Phison E19T controller uses Host Memory Buffer to store its flash translation tables in system RAM, and a pseudo-SLC cache carved from the NAND absorbs burst writes. For the boot-drive and light-duty workloads this drive targets, the design is effectively transparent: boot times and application launches feel identical to DRAM-equipped drives. The differences appear in sustained multi-threaded writes and heavy multitasking, where a DRAM-equipped controller keeps latency steadier. TeamGroup's graphene heat spreader and NVMe 1.4 latency features partially compensate on the budget tier.

### Is the Z44L 250GB or the 500GB model the better buy?

The 500GB is the better buy for almost everyone. It nearly doubles the write rating to 2,400 MB/s, doubles endurance to 300 TBW, doubles the pseudo-SLC cache and, of course, doubles the space — which matters as soon as anything beyond the operating system lands on the drive. The 250GB exists for one situation: an absolute minimum budget or an unused slot that only needs a snappy system disk. If the price difference between the two capacities is small at purchase time, the 500GB's spec advantages make it the clear choice; the 250GB is the floor, not the sweet spot.

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Last updated: 2026-09-21. Source: https://ssdrive.net/team-group-cardea-z44l-250-gb