Hardware Spec Index

Caldera SN-2638 Pro 1TB PCIe 4.0 NVMe M.2 2280 SSD

SSDs · Caldera · SKU SN2638-PRO · Released 2025 · Updated 2026-10-26

Key facts

Benchmark index7,410 (SSDs scale)
Category rank#31,760
Street price$139
Power7 W (active)
Performance per dollar53.31
Released2025

Specifications

BrandCaldera
ModelCaldera SN-2638 Pro
Capacity1 TB
Form factorM.2 2280
InterfacePCIe 4.0 x4, NVMe 2.0
Sequential read7,000 MB/s
Sequential write6,300 MB/s
Random 4K read1,030K IOPS
NAND3D QLC, 176-layer
CacheDRAM-less (HMB)
Endurance360 TBW (0.33 DWPD)
Warranty3 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-2885 Pro 8TB PCIe 4.0 NVMe M.2 2280 SSD14,165$459Compare
Mirenta SN-9144 Prime 500GB PCIe 4.0 NVMe M.2 2280 SSD6,236$89Compare
Mirenta SN-4342 XT 500GB PCIe 4.0 NVMe M.2 2280 SSD4,687$49Compare
Caldera SN-6984 Pro 8TB PCIe 5.0 NVMe M.2 2280 SSD10,086$269Compare
Novexa SN-7325 XT 1TB PCIe 4.0 NVMe M.2 2280 SSD6,362$99Compare
Novexa SN-9105 SE 2TB PCIe 3.0 NVMe M.2 2280 SSD7,868$139Compare

All SSDs · JSON

Cite this page: Hardware Spec Index, “Caldera SN-2638 Pro 1TB PCIe 4.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/6323620 (accessed 2026-10-26).