Hardware Spec Index

Altrix SN-7977 Plus 500GB PCIe 4.0 NVMe M.2 2280 SSD

SSDs · Altrix · SKU SN7977-PLUS · Released 2021 · Updated 2026-10-22

Key facts

Benchmark index6,540 (SSDs scale)
Category rank#5,250
Street price$89
Power5 W (active)
Performance per dollar73.48
Released2021

Specifications

BrandAltrix
ModelAltrix SN-7977 Plus
Capacity500 GB
Form factorM.2 2280
InterfacePCIe 4.0 x4, NVMe 2.0
Sequential read6,700 MB/s
Sequential write4,500 MB/s
Random 4K read740K IOPS
NAND3D TLC, 238-layer
CacheDRAM-less (HMB)
Endurance300 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

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Cite this page: Hardware Spec Index, “Altrix SN-7977 Plus 500GB PCIe 4.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/3277404 (accessed 2026-10-22).