Hardware Spec Index

Caldera SN-9551 Pro 1TB PCIe 4.0 NVMe M.2 2280 SSD

SSDs · Caldera · SKU SN9551-PRO · Released 2026 · Updated 2026-10-25

Key facts

Benchmark index5,086 (SSDs scale)
Category rank#43,456
Street price$69
Power7 W (active)
Performance per dollar73.71
Released2026

Specifications

BrandCaldera
ModelCaldera SN-9551 Pro
Capacity1 TB
Form factorM.2 2280
InterfacePCIe 4.0 x4, NVMe 2.0
Sequential read5,900 MB/s
Sequential write5,100 MB/s
Random 4K read810K IOPS
NAND3D TLC, 176-layer
CacheDRAM-less (HMB)
Endurance600 TBW (0.55 DWPD)
Warranty3 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
Strivon SN-2595 Pro 500GB SATA 2.5-inch SSD3,920$39Compare
Caldera SN-2987 Ti 1TB PCIe 4.0 NVMe M.2 2280 SSD6,621$109Compare
Novexa SN-4176 Max 500GB PCIe 4.0 NVMe M.2 2280 SSD4,393$49Compare
Altrix SN-6150 Ti 2TB PCIe 3.0 NVMe M.2 2280 SSD7,516$169Compare
Novexa SN-5927 Ti 1TB PCIe 4.0 NVMe M.2 2280 SSD7,182$149Compare
Novexa SN-2649 SE 1TB PCIe 4.0 NVMe M.2 2280 SSD6,202$109Compare

All SSDs · JSON

Cite this page: Hardware Spec Index, “Caldera SN-9551 Pro 1TB PCIe 4.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/94819278 (accessed 2026-10-25).