Hardware Spec Index

Caldera SN-5891 Prime 1TB PCIe 4.0 NVMe M.2 2280 SSD

SSDs · Caldera · SKU SN5891-PRIME · Released 2024 · Updated 2026-10-20

Key facts

Benchmark index6,871 (SSDs scale)
Category rank#18,802
Street price$89
Power5 W (active)
Performance per dollar77.20
Released2024

Specifications

BrandCaldera
ModelCaldera SN-5891 Prime
Capacity1 TB
Form factorM.2 2280
InterfacePCIe 4.0 x4, NVMe 2.0
Sequential read5,900 MB/s
Sequential write5,400 MB/s
Random 4K read980K IOPS
NAND3D TLC, 238-layer
CacheDRAM-less (HMB)
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

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Cite this page: Hardware Spec Index, “Caldera SN-5891 Prime 1TB PCIe 4.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/33333338 (accessed 2026-10-20).