Hardware Spec Index

Caldera SN-6977 Pro 4TB PCIe 5.0 NVMe M.2 2280 SSD

SSDs · Caldera · SKU SN6977-PRO · Released 2024 · Updated 2026-10-24

Key facts

Benchmark index13,855 (SSDs scale)
Category rank#19,978
Street price$599
Power11 W (active)
Performance per dollar23.13
Released2024

Specifications

BrandCaldera
ModelCaldera SN-6977 Pro
Capacity4 TB
Form factorM.2 2280
InterfacePCIe 5.0 x4, NVMe 2.0
Sequential read12,400 MB/s
Sequential write10,000 MB/s
Random 4K read1,500K IOPS
NAND3D TLC, 238-layer
CacheLPDDR4 DRAM, 4 GB
Endurance2,400 TBW (0.33 DWPD)
Warranty5 years
HeatsinkIncluded (recommended for sustained loads)

Related guides

NVMe SSDs ExplainedM.2 SSD Sizes and KeysSSD Endurance ExplainedDRAM vs DRAM-less SSDsPCIe 5.0 ExplainedPCIe 4.0 vs PCIe 5.0

Similar SSDs

ModelBenchmarkPriceCompare
Altrix SN-4344 Core 500GB SATA 2.5-inch SSD3,921$39Compare
Caldera SN-3802 Edge 500GB PCIe 4.0 NVMe M.2 2280 SSD5,912$89Compare
Caldera SN-2655 Max 8TB PCIe 4.0 NVMe M.2 2280 SSD13,439$559Compare
Caldera SN-1539 Prime 500GB SATA 2.5-inch SSD4,451$49Compare
Altrix SN-3445 Edge 4TB PCIe 5.0 NVMe M.2 2280 SSD14,147$529Compare
Novexa SN-1801 SE 1TB PCIe 4.0 NVMe M.2 2230 SSD7,066$119Compare

All SSDs · JSON

Cite this page: Hardware Spec Index, “Caldera SN-6977 Pro 4TB PCIe 5.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/9729662 (accessed 2026-10-24).