Compare Sabrent Rocket 5 4TB and Crucial P310 4TB: prices, speeds, $/TB. Which to buy in May 2026? Full spec breakdown.
Sabrent Rocket 5 4TB vs Crucial P310 4TB pits two different generations against each other at 4 TB. The question isn't which is faster on paper — that's settled — it's whether the bandwidth gap shows up in your specific workload.
Hardware-wise, the Sabrent Rocket 5 4TB runs on the Phison E26 — the first widely-deployed Gen 5 controller, capable but thermally demanding. The Crucial P310 4TB pairs Phison's E27T — a four-channel Gen 4 controller for HMB designs.
Price separates these two meaningfully. The Crucial P310 4TB costs $74.75/TB versus $184.75/TB for the Sabrent Rocket 5 4TB — a 60% premium that needs justification in real benchmarks, not just spec-sheet bragging.
Read speeds favor the Sabrent Rocket 5 4TB: 14,000 MB/s versus 7,100 MB/s for the Crucial P310 4TB, a 49% advantage. Sequential-heavy workloads notice; transactional workloads don't.
The Sabrent Rocket 5 4TB writes about 48% faster (11,600 MB/s vs 6,000 MB/s). Whether that matters depends entirely on what you write to the drive — gameplay capture and large project saves benefit, browsing and gaming do not.
The Sabrent Rocket 5 4TB carries a dedicated DRAM chip for FTL (Flash Translation Layer) mapping; the Crucial P310 4TB relies on HMB (Host Memory Buffer), borrowing 64 MB from system RAM. The practical gap shows up only under sustained random write loads.
On warranty endurance the Sabrent Rocket 5 4TB carries 2,800 TBW against Crucial P310 4TB's 1,760 TBW. Both will outlast typical use, but the gap matters if you're doing professional content work.
Heading to a PlayStation 5? Both drives drop into the console's M.2 bay and report identical real-world benchmarks since the PS5 caps storage at PCIe 4.0 speeds. The Crucial P310 4TB wins this matchup on $/TB. The leap from Gen 4 to Gen 5 doubles peak throughput on paper but produces single-digit-percent improvements in game load times, OS boot, and most productivity benchmarks. The Crucial P310 4TB is the better default unless you have a specific workload that needs the extra lanes. Heavy write workloads — video editing, RAW photo libraries, backup operations — favor the Sabrent Rocket 5 4TB's 11,600 MB/s sustained write speed. Both drives use the 2280 form factor, which is too long for Steam Deck or ROG Ally — you'd need a 2230 variant if either manufacturer offers one, or a dedicated handheld-format drive instead.
Pick the Sabrent Rocket 5 4TB if you value meaningfully faster reads (14,000 MB/s), higher sustained writes (11,600 MB/s), a higher TBW endurance rating (2,800 TBW), and a dedicated DRAM cache chip. Sabrent extends Rocket warranties to 5 years through manufacturer registration and ships with the latest Phison firmware revisions, often ahead of competitors.
Pick the Crucial P310 4TB if you value the lower retail price ($299 vs $739), and better $/TB economics ($74.75/TB).