Hardware Spec Index

Caldera SN-3978 Ultra 2TB PCIe 4.0 NVMe M.2 2280 SSD

SSDs · Caldera · SKU SN3978-ULTRA · Released 2022 · Updated 2026-10-19

Key facts

Benchmark index6,947 (SSDs scale)
Category rank#19,773
Street price$99
Power5 W (active)
Performance per dollar70.17
Released2022

Specifications

BrandCaldera
ModelCaldera SN-3978 Ultra
Capacity2 TB
Form factorM.2 2280
InterfacePCIe 4.0 x4, NVMe 2.0
Sequential read4,900 MB/s
Sequential write3,900 MB/s
Random 4K read1,010K IOPS
NAND3D TLC, 238-layer
CacheDRAM-less (HMB)
Endurance1,200 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
Caldera SN-1148 Ultra 8TB PCIe 4.0 NVMe M.2 2280 SSD13,457$479Compare
Strivon SN-6392 Pro 4TB PCIe 4.0 NVMe M.2 2280 SSD10,113$299Compare
Novexa SN-3623 Prime 2TB PCIe 4.0 NVMe M.2 2280 SSD8,573$209Compare
Strivon SN-5577 Ti 1TB PCIe 4.0 NVMe M.2 2280 SSD5,967$79Compare
Novexa SN-4999 Core 2TB PCIe 5.0 NVMe M.2 2280 SSD10,854$379Compare
Caldera SN-7215 Pro 1TB PCIe 4.0 NVMe M.2 2280 SSD8,378$179Compare

All SSDs · JSON

Cite this page: Hardware Spec Index, “Caldera SN-3978 Ultra 2TB PCIe 4.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/703115 (accessed 2026-10-19).