Hardware Spec Index

Caldera SN-1594 Prime 2TB PCIe 4.0 NVMe M.2 2280 SSD

SSDs · Caldera · SKU SN1594-PRIME · Released 2023 · Updated 2026-10-26

Key facts

Benchmark index7,710 (SSDs scale)
Category rank#41,051
Street price$149
Power6 W (active)
Performance per dollar51.74
Released2023

Specifications

BrandCaldera
ModelCaldera SN-1594 Prime
Capacity2 TB
Form factorM.2 2280
InterfacePCIe 4.0 x4, NVMe 2.0
Sequential read6,400 MB/s
Sequential write5,200 MB/s
Random 4K read800K IOPS
NAND3D QLC, 218-layer
CacheDRAM-less (HMB)
Endurance400 TBW (0.18 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, “Caldera SN-1594 Prime 2TB PCIe 4.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/46432881 (accessed 2026-10-26).