Hardware Spec Index

Caldera SN-8581 Ultra 1TB PCIe 3.0 NVMe M.2 2280 SSD

SSDs · Caldera · SKU SN8581-ULTRA · Released 2019 · Updated 2026-10-25

Key facts

Benchmark index8,869 (SSDs scale)
Category rank#22,175
Street price$209
Power4 W (active)
Performance per dollar42.44
Released2019

Specifications

BrandCaldera
ModelCaldera SN-8581 Ultra
Capacity1 TB
Form factorM.2 2280
InterfacePCIe 3.0 x4, NVMe 1.4
Sequential read3,300 MB/s
Sequential write2,800 MB/s
Random 4K read430K IOPS
NAND3D TLC, 238-layer
CacheDDR4 DRAM, 1 GB
Endurance600 TBW (0.33 DWPD)
Warranty5 years
HeatsinkHeatsink edition available

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
Mirenta SN-7930 SE 8TB PCIe 4.0 NVMe M.2 2280 SSD13,753$499Compare
Strivon SN-1763 Edge 1TB PCIe 4.0 NVMe M.2 2280 SSD4,829$49Compare
Altrix SN-6344 Edge 1TB PCIe 4.0 NVMe M.2 2280 SSD5,523$79Compare
Strivon SN-5071 Ti 1TB PCIe 4.0 NVMe M.2 2280 SSD8,239$149Compare
Altrix SN-1170 Max 4TB PCIe 5.0 NVMe M.2 2280 SSD13,582$479Compare
Mirenta SN-8059 SE 8TB PCIe 4.0 NVMe M.2 2280 SSD13,171$529Compare

All SSDs · JSON

Cite this page: Hardware Spec Index, “Caldera SN-8581 Ultra 1TB PCIe 3.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/31492170 (accessed 2026-10-25).