Hardware Spec Index

Caldera SN-1781 Prime 1TB PCIe 4.0 NVMe M.2 2280 SSD

SSDs · Caldera · SKU SN1781-PRIME · Released 2020 · Updated 2026-10-19

Key facts

Benchmark index9,587 (SSDs scale)
Category rank#32,424
Street price$229
Power7 W (active)
Performance per dollar41.86
Released2020

Specifications

BrandCaldera
ModelCaldera SN-1781 Prime
Capacity1 TB
Form factorM.2 2280
InterfacePCIe 4.0 x4, NVMe 2.0
Sequential read6,400 MB/s
Sequential write5,000 MB/s
Random 4K read1,100K IOPS
NAND3D TLC, 238-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-6948 Core 1TB PCIe 4.0 NVMe M.2 2280 SSD9,483$209Compare
Caldera SN-9929 Edge 2TB PCIe 4.0 NVMe M.2 2280 SSD10,402$279Compare
Novexa SN-3330 Ultra 1TB SATA 2.5-inch SSD3,552$39Compare
Novexa SN-4054 Pro 500GB SATA 2.5-inch SSD4,332$39Compare
Strivon SN-1901 Plus 8TB PCIe 4.0 NVMe M.2 2280 SSD14,551$549Compare
Altrix SN-8467 Ti 2TB PCIe 4.0 NVMe M.2 2230 SSD6,771$99Compare

All SSDs · JSON

Cite this page: Hardware Spec Index, “Caldera SN-1781 Prime 1TB PCIe 4.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/20114920 (accessed 2026-10-19).