TeamGroup Cardea Z44L 250GB Review — Entry Gen4, Entry Trade-Offs (2026)
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.
Read: 3300 MB/s Write: 1300 MB/s Endurance: 150 TBW Warranty: 5 years Interface: M.2 4.0 x 4
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.
Controller & Memory
The TeamGroup Cardea Z44L 250GB is the entry point of TeamGroup's budget Gen4 line: a Phison E19T controller running DRAM-less with Host Memory Buffer, 3D TLC NAND, and a single-sided M.2 2280 PCB topped by TeamGroup's patented ultra-thin graphene heat spreader, which users fit themselves and which sits clear of any motherboard heatsink. The platform supports NVMe 1.4 features such as Predictable Latency Mode and Read Recovery Levels, which TeamGroup credits for latency consistency and flash longevity across the Z44L family. The E19T runs four NAND channels — half the eight-channel flagship E18's count — which is why every Z44L capacity leans on a parallelism it only fully gains at 2 TB.
Capacity places this variant at the bottom of a four-step ladder. TeamGroup's own spec sheet rates the 250GB at 3,300/1,300 MB/s with 150 TBW, while the 500GB moves to 3,300/2,400 MB/s with 300 TBW, the 1TB to 3,500/2,700 MB/s and the 2TB to 3,500/3,000 MB/s with 1,200 TBW. The 1,300 MB/s write rating is the number to internalize — it sits barely above SATA speeds and reflects a quarter-height NAND complement with a proportionally tiny pseudo-SLC cache.
That positioning defines the buyer: someone turning a clunky SATA or PCIe 3.0 system disk into a responsive Gen4 boot drive for the least money possible, or filling a spare slot for light duty. The WD Blue SN580 and Crucial P3 Plus play the same budget bracket at 500GB and above, and both are more sensible buys once capacity needs exceed a bare operating system. As with most 250 GB-class drives, expect the smallest capacity to carry the worst price per gigabyte in the range, which is the quiet cost of the low headline price.
Storage Comparisons:
Cardea Z44L Performance & Benchmarks
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.
Team Group Cardea Z44L 250 GB 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
- Team Group Cardea Z44L 250 GB (this drive): 3,300 MB/s read, 1,300 MB/s write
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.
Team Group Cardea Z44L vs Competitors
See how the Cardea Z44L stacks up against other M.2 4.0 x 4 drives in our database:
Compare with rival drives:
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.
Team Group Cardea Z44L 250 GB Specifications
| Category | Value |
|---|---|
| Capacity [?] | 250 GB |
| Interface [?] | M.2 4.0 x 4 |
| Controller [?] | Phison E19T |
| Memory type [?] | 3D TLC |
| DRAM [?] | No |
| Read speed (MB/s) [?] | 3300 |
| Write speed (MB/s) [?] | 1300 |
| Read IOPS [?] | 220000 |
| Write IOPS [?] | 400000 |
| Endurance (TBW) [?] | 150 |
| MTBF (million hours) [?] | 3000000 |
| Warranty (years) [?] | 5 |
Verdict: Is the Cardea Z44L Worth It in 2026?
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.
+ 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
Buy this or similar SSD Storage:
Video Review
รีวิว T-FORCE CARDEA Z44L M.2 NVMe SSD PCIe4.0 x4 1TB
