Team Group T-Force G70 Pro 4TB Review — Big, Fast, Long-Lived (2026)
Quick answer
Buy the Team Group T-Force G70 Pro 4TB when capacity is the mission — a PS5 expansion past 2 TB, a desktop game library that never gets pruned, or fast local scratch space — and you still want full 7,400 MB/s Gen4 reads with 2,960 TBW behind them.
Read: 7400 MB/s Write: 6600 MB/s Endurance: 2960 TBW Warranty: 5 years Interface: M.2 4.0 x 4
The Team Group T-Force G70 Pro 4TB pairs 7,400 MB/s Gen4 reads with 2,960 TBW of endurance — a game-library drive that keeps flagship speed at capacity.

Controller & Memory
The Team Group T-Force G70 Pro 4TB is the big-library expression of TEAMGROUP's Gen4 platform: an InnoGrit IG5236 eight-channel controller, 128-layer YMTC TLC NAND, DRAM caching and a double-sided M.2 2280 board. Rated at 7,400 MB/s reads and 6,600 MB/s writes over PCIe 4.0 x4 with NVMe 1.4, it gives up only a sliver of the 2 TB model's 6,800 MB/s write rating while quadrupling the endurance budget. At this capacity the drive stops being a boot-disk purchase and becomes storage architecture — a place for whole game libraries, video projects and backups that still wants NVMe latency.
The capacity ladder matters here. The G70 Pro range runs 512 GB to 8 TB, with endurance rising from 370 TBW to 2,960 TBW at 4 TB under a single 5-year warranty; only the 8 TB tops it at 3,600 TBW. TeamGroup ships two factory cooling options — an ultra-thin graphene spreader (3.7 mm) and an aluminum heatsink (8.7 mm), both stated to meet Sony's PS5 heatsink regulations — which matters because a 4 TB PS5 expansion is exactly the sort of purchase this drive invites. Cooling deserves respect at this capacity: TechPowerUp's testing of the 2 TB platform found it thermally throttles under heavy sustained load even with the aluminum cooler fitted, and Tom's Hardware flagged modest power efficiency.
The buyer profile is specific: console owners upgrading past 2 TB, desktop gamers who refuse to uninstall titles, and content creators parking active project files on fast local storage. Competitors at 4 TB include the WD Black SN850X and Samsung 990 Pro, both pricier per terabyte, while platform siblings like the Acer Predator GM7000 and Lexar NM800 Pro fight the same InnoGrit-based battle on cooling and pricing.
Storage Comparisons:
T-Force G70 Pro Performance & Benchmarks
TeamGroup rates the 4 TB G70 Pro at 7,400 MB/s sequential reads and 6,600 MB/s writes, with an SLC write cache over the DRAM-backed platform. The company publishes no random IOPS figure, but the platform's latency credentials come from the 2 TB reviews: Tom's Hardware measured excellent random read latency and near-top PC Mark bandwidth and latency, which is the behavior that makes large libraries feel local rather than archived.
Team Group T-Force G70 Pro 4 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
- Team Group T-Force G70 Pro 4 TB (this drive): 7,400 MB/s read, 6,600 MB/s write
Capacity is the quiet performance advantage here. Four terabytes means more NAND dies in parallel, which is why the 4 TB keeps a 6,600 MB/s write rating close to the 2 TB's 6,800 MB/s — a contrast with the 1 TB model's 5,500 MB/s — and why SLC cache exhaustion arrives later on big transfers. For the workloads this capacity attracts, the numbers translate directly: full-game reinstalls move in seconds-to-minutes rather than coffee breaks, and multi-hundred-gigabyte project copies stay fast. The platform's documented limits still apply — sustained hour-long writes can push the drive into thermal throttling even with the factory aluminum heatsink, per TechPowerUp's testing, so a ventilated motherboard heatsink is the right home for it. In mixed desktop use, boot times, game loads and application launches are indistinguishable from any other top-spec Gen4 drive.
Team Group T-Force G70 Pro vs Competitors
See how the T-Force G70 Pro stacks up against other M.2 4.0 x 4 drives in our database:
Compare with rival drives:
Endurance, TBW & Warranty
TeamGroup covers the G70 Pro 4TB with a 5-year limited warranty rated to 2,960 TBW, whichever arrives first — the endurance budget of four 1 TB drives in one unit, and second in the range only to the 8 TB model's 3,600 TBW. The rating permits roughly 1.6 TB of writes per day across the warranty term, so even a creator shuffling large video projects daily will not approach the NAND limit; the five-year clock is the practical boundary. The figures follow JEDEC standards per TeamGroup's spec sheet, and MTBF is rated at 3 million hours — a population statistic across the fleet, not a per-drive promise. Claims run through TeamGroup's standard RMA channels with proof of purchase, and the same 5-year terms apply to every G70 Pro capacity.
Team Group T-Force G70 Pro 4 TB Specifications
| Category | Value |
|---|---|
| Capacity [?] | 4 TB |
| Interface [?] | M.2 4.0 x 4 |
| Controller [?] | Innogrit IG5236 8 Channel |
| Memory type [?] | YMTC 128-L TLC |
| DRAM [?] | Yes |
| Read speed (MB/s) [?] | 7400 |
| Write speed (MB/s) [?] | 6600 |
| Read IOPS [?] | n/a |
| Write IOPS [?] | n/a |
| Endurance (TBW) [?] | 2960 |
| MTBF (million hours) [?] | 3000000 |
| Warranty (years) [?] | 5 |
Verdict: Is the T-Force G70 Pro Worth It in 2026?
Buy the Team Group T-Force G70 Pro 4TB when capacity is the mission — a PS5 expansion past 2 TB, a desktop game library that never gets pruned, or fast local scratch space — and you still want full 7,400 MB/s Gen4 reads with 2,960 TBW behind them. Skip it for boot-drive duty, where the 1 TB model does the same job for far less, and think twice for laptops: the board is double-sided and the platform's power efficiency drew criticism from Tom's Hardware. The WD Black SN850X and Samsung 990 Pro cost more per terabyte at this size, while the Acer Predator GM7000 offers the same controller with a longer cooling track record. As a big, fast, heavily warrantied Gen4 drive, the 4 TB is the most persuasive G70 Pro for storage hunters.
+ Pros
- 7,400 MB/s reads with 6,600 MB/s writes
- 2,960 TBW endurance with 5-year warranty
- More NAND parallelism sustains writes at capacity
- Graphene or aluminum heatsink options, PS5-ready
- Excellent random read latency per reviews
- Cons
- Thermally throttles under heavy sustained load
- Double-sided PCB complicates thin-laptop fits
- Write rating slightly below the 2TB model
- No published random IOPS rating
- Overkill (and overpriced) as a boot drive
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Video Review
TEAMGROUP T-FORCE G70 PRO 1TB - Review