Hardware Spec Index

Altrix SN-8581 Ultra 1TB SATA 2.5-inch SSD

SSDs · Altrix · SKU SN8581-ULTRA · Released 2019 · Updated 2026-10-20

Key facts

Benchmark index4,062 (SSDs scale)
Category rank#41,425
Street price$39
Power3 W (active)
Performance per dollar104.15
Released2019

Specifications

BrandAltrix
ModelAltrix SN-8581 Ultra
Capacity1 TB
Form factor2.5" SATA (7 mm)
InterfaceSATA 6 Gb/s (AHCI)
Sequential read550 MB/s
Sequential write520 MB/s
Random 4K read98K IOPS
NAND3D QLC, 218-layer
CacheDRAM-less (SLC cache)
Endurance240 TBW (0.22 DWPD)
Warranty3 years
HeatsinkHeatsink edition available

Related guides

SSD Endurance ExplainedDRAM vs DRAM-less SSDsNVMe SSDs ExplainedPCIe 4.0 vs PCIe 5.0M.2 SSD Sizes and Keys

Similar SSDs

ModelBenchmarkPriceCompare
Novexa SN-2695 Edge 1TB PCIe 4.0 NVMe M.2 2280 SSD5,809$79Compare
Altrix SN-6696 Edge 500GB PCIe 4.0 NVMe M.2 2280 SSD6,256$109Compare
Altrix SN-5789 SE 1TB PCIe 4.0 NVMe M.2 2280 SSD4,704$49Compare
Altrix SN-9657 Prime 2TB PCIe 4.0 NVMe M.2 2230 SSD10,455$319Compare
Strivon SN-3778 SE 8TB PCIe 4.0 NVMe M.2 2280 SSD12,152$389Compare
Caldera SN-8592 SE 2TB PCIe 4.0 NVMe M.2 2280 SSD9,153$209Compare

All SSDs · JSON

Cite this page: Hardware Spec Index, “Altrix SN-8581 Ultra 1TB SATA 2.5-inch SSD”, https://vextor7.com/item/83317771 (accessed 2026-10-20).