Hardware Spec Index

Caldera SN-8991 Pro 1TB PCIe 4.0 NVMe M.2 2280 SSD

SSDs · Caldera · SKU SN8991-PRO · Released 2022 · Updated 2026-10-25

Key facts

Benchmark index9,590 (SSDs scale)
Category rank#30,909
Street price$219
Power8 W (active)
Performance per dollar43.79
Released2022

Specifications

BrandCaldera
ModelCaldera SN-8991 Pro
Capacity1 TB
Form factorM.2 2280
InterfacePCIe 4.0 x4, NVMe 2.0
Sequential read4,800 MB/s
Sequential write3,600 MB/s
Random 4K read1,080K IOPS
NAND3D TLC, 238-layer
CacheDDR4 DRAM, 1 GB
Endurance600 TBW (0.33 DWPD)
Warranty5 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
Novexa SN-7351 Prime 8TB PCIe 5.0 NVMe M.2 2280 SSD12,223$369Compare
Altrix SN-1678 Pro 500GB SATA 2.5-inch SSD3,427$29Compare
Altrix SN-1335 Prime 1TB PCIe 4.0 NVMe M.2 2280 SSD6,143$89Compare
Mirenta SN-6969 Ti 4TB PCIe 4.0 NVMe M.2 2280 SSD11,555$339Compare
Strivon SN-6638 Ti 2TB PCIe 4.0 NVMe M.2 2280 SSD8,814$169Compare
Altrix SN-6249 Plus 2TB PCIe 4.0 NVMe M.2 2230 SSD10,197$289Compare

All SSDs · JSON

Cite this page: Hardware Spec Index, “Caldera SN-8991 Pro 1TB PCIe 4.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/31499217 (accessed 2026-10-25).