PCIe 5.0 throughput at the 1 TB capacity point
The Sabrent Rocket 5 1 TB brings PCIe 5.0 x4 performance to a single-terabyte M.2 form factor, hitting sequential read speeds up to 14,000 MB/s with the Phison E26 controller.
Sabrent's Rocket 5 is the company's first PCIe 5.0 NVMe SSD, built on the Phison PS5026-E26 eight-channel controller. This is the same platform used by several competitors, but Sabrent tunes firmware and heatsink pairing differently. The controller connects to Micron 232-layer TLC NAND flash and a dedicated DDR4 DRAM cache.\n\nAt 1 TB, the Rocket 5 offers the most affordable entry into Sabrent's PCIe 5.0 lineup. The capacity has fewer NAND dies than the 2 TB and 4 TB variants, which limits the degree of interleaving the controller can exploit. Sequential write speeds at 1 TB are lower than the larger capacities as a result, though reads still reach 14,000 MB/s. The drive uses the M.2 2280 form factor and fits any compatible motherboard slot, with backward compatibility for PCIe 4.0 and 3.0. The module draws less power under load than the higher-capacity variants, which makes it easier to cool in systems with limited airflow.\n\nCompetitors at 1 TB include the PNY XLR8 CS3150, which uses the same E26 and Micron NAND combination, and the Crucial T700 1 TB, another E26-based drive. The Samsung 990 EVO 1 TB is a PCIe 4.0 alternative with lower power consumption for those who do not need PCIe 5.0 bandwidth. Sabrent also sells the Rocket 5 with an optional aluminum heatsink for motherboards that lack integrated M.2 cooling.
✅ Storage Comparisons:
🚀 Performance and benchmarks
The Sabrent Rocket 5 1 TB reaches sequential read speeds up to 14,000 MB/s and sequential writes up to 11,000 MB/s over PCIe 5.0 x4. Random performance peaks at approximately 1,400K read IOPS and 1,800K write IOPS. These figures place the Rocket 5 at the upper end of PCIe 5.0 drives at this capacity.\n\nSequential writes hold at peak speed while the SLC cache buffer is active. Once the cache fills, writes transition to the native TLC rate, which for the 1 TB model is lower than the 2 TB and 4 TB variants due to fewer NAND dies sharing the write workload. For gaming and general use, the SLC cache is large enough that most users will never encounter the transition. 4K random read performance, which matters most for OS boot and application loading, shows a measurable improvement over PCIe 4.0 drives at high queue depths, though the gap narrows at typical single-user queue depths of QD1 to QD4.
Sabrent Rocket 5 1 TB vs M.2 5.0 x 4 peers
Switch between sequential throughput and random IOPS to see how this drive stacks up against other M.2 5.0 x 4 SSDs in our database. The highlighted bar is the drive on this page — click any other bar to open that drive.
- PNY XLR8 CS3250 4 TB: 14,900 MB/s read, 13,500 MB/s write
- Sabrent Rocket 5 1 TB (this drive): 14,000 MB/s read, 11,000 MB/s write
- PNY XLR8 CS3150 1 TB: 12,000 MB/s read, 11,000 MB/s write
- PNY XLR8 CS3150 2 TB: 12,000 MB/s read, 11,000 MB/s write
🖥️ Endurance and warranty
Sabrent covers the Rocket 5 1 TB with a five-year warranty and a 600 TBW endurance rating. This translates to roughly 329 GB of writes per day over five years, far beyond the 20 to 50 GB per day typical of consumer workloads. The drive also carries a 2 million hour MTBF rating. Sabrent requires product registration to activate the full warranty term. As with most SSD warranties, coverage applies provided the TBW limit has not been exceeded within the warranty period. Unregistered drives may receive a shorter warranty term, so buyers should register through Sabrent's website after purchase to ensure the full five-year coverage.
📊 Specs
| Category | Value |
|---|---|
| Capacity [?] | 1 TB |
| Interface [?] | M.2 5.0 x 4 |
| Controller [?] | Phison PS5026-E26 8 Channel |
| Memory type [?] | Micron 232-L TLC |
| DRAM [?] | Yes |
| Read speed (MB/s) [?] | 14000 |
| Write speed (MB/s) [?] | 11000 |
| Read IOPS [?] | 1400000 |
| Write IOPS [?] | 1800000 |
| Endurance (TBW) [?] | 600 |
| MTBF (million hours) [?] | 2000000 |
| Warranty (years) [?] | 5 |
Conclusion
The Sabrent Rocket 5 1 TB is a capable PCIe 5.0 SSD that delivers on its sequential speed claims. Its 14,000 MB/s read and 11,000 MB/s write throughput make it a good fit for users with PCIe 5.0 motherboards who need fast file transfers and game load times.\n\nIf your motherboard only supports PCIe 4.0, save money and choose a drive like the Samsung 990 Pro 1 TB, which delivers nearly identical real-world performance in daily use at lower power draw. The Rocket 5 1 TB makes the most sense for early adopters building fresh systems with PCIe 5.0 M.2 slots who want to maximize interface bandwidth without paying for more capacity than they need.
+ Pros
- Up to 14,000 MB/s sequential read speed
- Phison E26 eight-channel controller with DRAM
- Micron 232-layer TLC NAND
- 600 TBW endurance at 1 TB capacity
- Backward-compatible with PCIe 4.0 and 3.0
- Cons
- Write speed lower than the 2 TB and 4 TB models
- Requires PCIe 5.0 slot for rated performance
- Higher power draw than PCIe 4.0 alternatives
- Runs warm under sustained writes
🛒 Buy this or similar SSD Storage:
✨ Video Review
INSANE SPEED 🚀 - Sabrent Rocket 4 Plus NVME
