Verdict

These are closely matched SSDs of the same capacity - decide on price and warranty. Check the live $/TB above.

LNM790X004T-RNNNU
Lexar NM790 · 4TB · Desktop
$580 ($145.00/TB)
SB-RKT5-4TB
Sabrent Rocket 5 · 4TB · Desktop
No US price yet

Value at a glance

Price / TB
LNM790X004T-RNNNU $145.00
SB-RKT5-4TB $280.80
Endurance (TBW)
LNM790X004T-RNNNU 3,000 TB
SB-RKT5-4TB 3,000 TB

Price history

US · cheapest per day

LNM790X004T-RNNNU $580 SB-RKT5-4TB $960
zoomed · drag to zoom
$960 $730 $500 Sep 2024 Feb 2025 Jul 2025 Dec 2025 Apr 2026 Sep 2026
LNM790X004T-RNNNU SB-RKT5-4TB
Capacity 4 TB 4 TB
Form factor M.2 M.2
Interface NVMe NVMe
NAND type TLC TLC
Endurance (TBW) 3,000 TB 3,000 TB
DWPD - -
DRAM cache No Yes
Power-loss protection No No
Sustained write - -
Cost / TBW $0.193 $0.374
Price / TB $145.00 $280.80
Buy
$580
View at Amazon →
No US price yet

Highlighted cells mark the stronger spec for a NAS build. Failure rates from Backblaze Drive Stats where available; $/TB uses the cheapest live price. Buy links are Amazon affiliate.

LNM790X004T-RNNNU

No Backblaze failure data for this model.

SB-RKT5-4TB

No Backblaze failure data for this model.