Hardware Spec Index

Caldera SN-1958 Prime 1TB PCIe 4.0 NVMe M.2 2280 SSD

SSDs · Caldera · SKU SN1958-PRIME · Released 2025 · Updated 2026-10-26

Key facts

Benchmark index5,629 (SSDs scale)
Category rank#28,362
Street price$69
Power8 W (active)
Performance per dollar81.58
Released2025

Specifications

BrandCaldera
ModelCaldera SN-1958 Prime
Capacity1 TB
Form factorM.2 2280
InterfacePCIe 4.0 x4, NVMe 2.0
Sequential read6,100 MB/s
Sequential write4,400 MB/s
Random 4K read700K IOPS
NAND3D TLC, 176-layer
CacheDRAM-less (HMB)
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
Altrix SN-7173 XT 8TB PCIe 5.0 NVMe M.2 2280 SSD12,342$449Compare
Strivon SN-3641 Pro 2TB PCIe 4.0 NVMe M.2 2280 SSD9,915$239Compare
Mirenta SN-6408 Prime 4TB PCIe 4.0 NVMe M.2 2280 SSD11,848$359Compare
Strivon SN-8720 Max 1TB PCIe 4.0 NVMe M.2 2280 SSD5,291$59Compare
Altrix SN-1598 XT 500GB SATA 2.5-inch SSD3,104$29Compare
Caldera SN-1510 Edge 1TB PCIe 4.0 NVMe M.2 2280 SSD6,668$99Compare

All SSDs · JSON

Cite this page: Hardware Spec Index, “Caldera SN-1958 Prime 1TB PCIe 4.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/4298771 (accessed 2026-10-26).