Hardware Spec Index

Altrix SN-4639 Ultra 500GB PCIe 3.0 NVMe M.2 2280 SSD

SSDs · Altrix · SKU SN4639-ULTRA · Released 2019 · Updated 2026-10-24

Key facts

Benchmark index4,452 (SSDs scale)
Category rank#30,033
Street price$49
Power5 W (active)
Performance per dollar90.86
Released2019

Specifications

BrandAltrix
ModelAltrix SN-4639 Ultra
Capacity500 GB
Form factorM.2 2280
InterfacePCIe 3.0 x4, NVMe 1.4
Sequential read2,100 MB/s
Sequential write1,400 MB/s
Random 4K read390K IOPS
NAND3D QLC, 232-layer
CacheDRAM-less (HMB)
Endurance120 TBW (0.22 DWPD)
Warranty3 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-4639 Ultra 500GB PCIe 3.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/31665417 (accessed 2026-10-24).