Hardware Spec Index

Caldera SN-1991 Prime 2TB PCIe 4.0 NVMe M.2 2280 SSD

SSDs · Caldera · SKU SN1991-PRIME · Released 2023 · Updated 2026-10-21

Key facts

Benchmark index12,464 (SSDs scale)
Category rank#1,547
Street price$409
Power8 W (active)
Performance per dollar30.47
Released2023

Specifications

BrandCaldera
ModelCaldera SN-1991 Prime
Capacity2 TB
Form factorM.2 2280
InterfacePCIe 4.0 x4, NVMe 2.0
Sequential read6,900 MB/s
Sequential write5,700 MB/s
Random 4K read1,020K IOPS
NAND3D TLC, 232-layer
CacheDDR4 DRAM, 2 GB
Endurance1,200 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
Novexa SN-9648 Plus 1TB PCIe 3.0 NVMe M.2 2280 SSD8,020$199Compare
Caldera SN-3005 Plus 2TB PCIe 4.0 NVMe M.2 2280 SSD10,794$289Compare
Altrix SN-9945 Plus 2TB PCIe 4.0 NVMe M.2 2280 SSD8,557$179Compare
Strivon SN-4034 SE 1TB PCIe 3.0 NVMe M.2 2280 SSD6,768$119Compare
Mirenta SN-9931 Core 1TB PCIe 4.0 NVMe M.2 2280 SSD6,941$99Compare
Novexa SN-3243 Ti 500GB SATA 2.5-inch SSD4,023$39Compare

All SSDs · JSON

Cite this page: Hardware Spec Index, “Caldera SN-1991 Prime 2TB PCIe 4.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/4567702 (accessed 2026-10-21).