Hardware Spec Index

Caldera SN-7954 Ultra 1TB PCIe 4.0 NVMe M.2 2280 SSD

SSDs · Caldera · SKU SN7954-ULTRA · Released 2023 · Updated 2026-10-24

Key facts

Benchmark index8,721 (SSDs scale)
Category rank#35,580
Street price$179
Power7 W (active)
Performance per dollar48.72
Released2023

Specifications

BrandCaldera
ModelCaldera SN-7954 Ultra
Capacity1 TB
Form factorM.2 2280
InterfacePCIe 4.0 x4, NVMe 2.0
Sequential read5,800 MB/s
Sequential write5,100 MB/s
Random 4K read1,290K IOPS
NAND3D TLC, 232-layer
CacheDDR4 DRAM, 1 GB
Endurance600 TBW (0.33 DWPD)
Warranty5 years
HeatsinkNone

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
Caldera SN-6300 Prime 2TB PCIe 4.0 NVMe M.2 2280 SSD8,213$189Compare
Strivon SN-9360 Max 8TB PCIe 5.0 NVMe M.2 2280 SSD11,451$309Compare
Altrix SN-6836 Prime 2TB PCIe 4.0 NVMe M.2 2280 SSD8,798$219Compare
Novexa SN-1079 SE 8TB PCIe 3.0 NVMe M.2 2280 SSD13,678$509Compare
Novexa SN-3862 Ti 500GB PCIe 4.0 NVMe M.2 2280 SSD5,176$69Compare
Novexa SN-3744 Core 2TB PCIe 5.0 NVMe M.2 2280 SSD11,052$299Compare

All SSDs · JSON

Cite this page: Hardware Spec Index, “Caldera SN-7954 Ultra 1TB PCIe 4.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/9940099 (accessed 2026-10-24).