Hardware Spec Index

Caldera SN-7943 Prime 1TB PCIe 4.0 NVMe M.2 2230 SSD

SSDs · Caldera · SKU SN7943-PRIME · Released 2024 · Updated 2026-10-25

Key facts

Benchmark index4,689 (SSDs scale)
Category rank#17,804
Street price$59
Power6 W (active)
Performance per dollar79.47
Released2024

Specifications

BrandCaldera
ModelCaldera SN-7943 Prime
Capacity1 TB
Form factorM.2 2230
InterfacePCIe 4.0 x4, NVMe 2.0
Sequential read6,400 MB/s
Sequential write6,100 MB/s
Random 4K read1,260K IOPS
NAND3D TLC, 218-layer
CacheDRAM-less (HMB)
Endurance600 TBW (0.55 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-7943 Prime 1TB PCIe 4.0 NVMe M.2 2230 SSD”, https://vextor7.com/item/94816612 (accessed 2026-10-25).