Hardware Spec Index

Altrix SN-7521 Prime 4TB PCIe 4.0 NVMe M.2 2280 SSD

SSDs · Altrix · SKU SN7521-PRIME · Released 2021 · Updated 2026-10-20

Key facts

Benchmark index12,591 (SSDs scale)
Category rank#17,963
Street price$449
Power6 W (active)
Performance per dollar28.04
Released2021

Specifications

BrandAltrix
ModelAltrix SN-7521 Prime
Capacity4 TB
Form factorM.2 2280
InterfacePCIe 4.0 x4, NVMe 2.0
Sequential read4,900 MB/s
Sequential write4,500 MB/s
Random 4K read1,020K IOPS
NAND3D TLC, 232-layer
CacheDDR4 DRAM, 4 GB
Endurance2,400 TBW (0.33 DWPD)
Warranty5 years
HeatsinkNone

Related guides

NVMe SSDs ExplainedM.2 SSD Sizes and KeysSSD Endurance ExplainedDRAM vs DRAM-less SSDsPCIe 4.0 vs PCIe 5.0

Similar SSDs

ModelBenchmarkPriceCompare
Strivon SN-1742 Prime 1TB PCIe 4.0 NVMe M.2 2230 SSD7,249$159Compare
Mirenta SN-6629 Edge 8TB PCIe 5.0 NVMe M.2 2280 SSD14,483$569Compare
Caldera SN-6247 XT 8TB PCIe 4.0 NVMe M.2 2280 SSD11,697$419Compare
Caldera SN-7204 SE 4TB PCIe 4.0 NVMe M.2 2280 SSD10,663$309Compare
Strivon SN-4170 SE 4TB PCIe 4.0 NVMe M.2 2280 SSD9,447$259Compare
Novexa SN-3636 Max 4TB PCIe 5.0 NVMe M.2 2280 SSD11,897$359Compare

All SSDs · JSON

Cite this page: Hardware Spec Index, “Altrix SN-7521 Prime 4TB PCIe 4.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/50836574 (accessed 2026-10-20).