Hardware Spec Index

Caldera SN-6977 Ultra 8TB PCIe 4.0 NVMe M.2 2280 SSD

SSDs · Caldera · SKU SN6977-ULTRA · Released 2023 · Updated 2026-10-21

Key facts

Benchmark index14,129 (SSDs scale)
Category rank#48,015
Street price$599
Power8 W (active)
Performance per dollar23.59
Released2023

Specifications

BrandCaldera
ModelCaldera SN-6977 Ultra
Capacity8 TB
Form factorM.2 2280
InterfacePCIe 4.0 x4, NVMe 2.0
Sequential read4,900 MB/s
Sequential write3,900 MB/s
Random 4K read940K IOPS
NAND3D TLC, 238-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
Mirenta SN-5922 XT 500GB PCIe 4.0 NVMe M.2 2280 SSD5,145$69Compare
Altrix SN-2280 Ti 4TB PCIe 5.0 NVMe M.2 2280 SSD10,408$269Compare
Novexa SN-2411 Edge 500GB SATA 2.5-inch SSD4,430$49Compare
Caldera SN-4449 SE 1TB SATA 2.5-inch SSD4,634$49Compare
Altrix SN-6455 Ultra 1TB PCIe 3.0 NVMe M.2 2280 SSD5,071$69Compare
Caldera SN-5765 Pro 2TB PCIe 4.0 NVMe M.2 2280 SSD8,758$169Compare

All SSDs · JSON

Cite this page: Hardware Spec Index, “Caldera SN-6977 Ultra 8TB PCIe 4.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/19852065 (accessed 2026-10-21).