Hardware Spec Index

Caldera SN-7551 Ultra 8TB PCIe 4.0 NVMe M.2 2280 SSD

SSDs · Caldera · SKU SN7551-ULTRA · Released 2021 · Updated 2026-10-24

Key facts

Benchmark index13,476 (SSDs scale)
Category rank#29,640
Street price$509
Power7 W (active)
Performance per dollar26.48
Released2021

Specifications

BrandCaldera
ModelCaldera SN-7551 Ultra
Capacity8 TB
Form factorM.2 2280
InterfacePCIe 4.0 x4, NVMe 2.0
Sequential read7,300 MB/s
Sequential write6,600 MB/s
Random 4K read960K IOPS
NAND3D TLC, 176-layer
CacheDDR4 DRAM, 8 GB
Endurance4,800 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-9676 Plus 8TB PCIe 5.0 NVMe M.2 2280 SSD10,242$309Compare
Caldera SN-1418 Ti 2TB PCIe 4.0 NVMe M.2 2230 SSD7,462$139Compare
Strivon SN-4698 Edge 4TB PCIe 4.0 NVMe M.2 2280 SSD10,528$299Compare
Novexa SN-8106 Edge 8TB PCIe 5.0 NVMe M.2 2280 SSD12,411$399Compare
Mirenta SN-4806 SE 1TB PCIe 4.0 NVMe M.2 2280 SSD5,951$99Compare
Caldera SN-2530 Max 1TB PCIe 4.0 NVMe M.2 2280 SSD5,099$69Compare

All SSDs · JSON

Cite this page: Hardware Spec Index, “Caldera SN-7551 Ultra 8TB PCIe 4.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/3463118 (accessed 2026-10-24).