Hardware Spec Index

Caldera SN-7981 Pro 4TB PCIe 3.0 NVMe M.2 2280 SSD

SSDs · Caldera · SKU SN7981-PRO · Released 2019 · Updated 2026-10-24

Key facts

Benchmark index10,573 (SSDs scale)
Category rank#11,642
Street price$279
Power6 W (active)
Performance per dollar37.90
Released2019

Specifications

BrandCaldera
ModelCaldera SN-7981 Pro
Capacity4 TB
Form factorM.2 2280
InterfacePCIe 3.0 x4, NVMe 1.4
Sequential read3,000 MB/s
Sequential write2,200 MB/s
Random 4K read360K IOPS
NAND3D TLC, 218-layer
CacheDDR4 DRAM, 4 GB
Endurance2,400 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
Altrix SN-3084 Core 1TB PCIe 4.0 NVMe M.2 2280 SSD9,379$209Compare
Caldera SN-2503 Pro 4TB PCIe 4.0 NVMe M.2 2280 SSD10,594$249Compare
Mirenta SN-2783 Pro 2TB PCIe 4.0 NVMe M.2 2280 SSD8,686$189Compare
Novexa SN-3093 Pro 4TB PCIe 3.0 NVMe M.2 2280 SSD10,284$299Compare
Caldera SN-6976 Max 1TB PCIe 4.0 NVMe M.2 2280 SSD5,098$59Compare
Mirenta SN-2909 Edge 2TB PCIe 4.0 NVMe M.2 2230 SSD11,508$359Compare

All SSDs · JSON

Cite this page: Hardware Spec Index, “Caldera SN-7981 Pro 4TB PCIe 3.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/1893380 (accessed 2026-10-24).