Hardware Spec Index

Caldera SN-1991 Max 2TB PCIe 4.0 NVMe M.2 2280 SSD

SSDs · Caldera · SKU SN1991-MAX · Released 2021 · Updated 2026-10-21

Key facts

Benchmark index9,471 (SSDs scale)
Category rank#49,605
Street price$199
Power8 W (active)
Performance per dollar47.59
Released2021

Specifications

BrandCaldera
ModelCaldera SN-1991 Max
Capacity2 TB
Form factorM.2 2280
InterfacePCIe 4.0 x4, NVMe 2.0
Sequential read7,400 MB/s
Sequential write6,700 MB/s
Random 4K read960K IOPS
NAND3D TLC, 218-layer
CacheDDR4 DRAM, 2 GB
Endurance1,200 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
Mirenta SN-2653 Prime 500GB PCIe 4.0 NVMe M.2 2280 SSD5,322$69Compare
Caldera SN-7684 Max 1TB PCIe 4.0 NVMe M.2 2280 SSD4,670$49Compare
Mirenta SN-3140 Ultra 500GB PCIe 4.0 NVMe M.2 2280 SSD4,663$49Compare
Altrix SN-4088 Core 2TB PCIe 4.0 NVMe M.2 2280 SSD8,313$209Compare
Altrix SN-9791 Ultra 1TB PCIe 4.0 NVMe M.2 2280 SSD8,119$169Compare
Strivon SN-5234 Prime 8TB PCIe 4.0 NVMe M.2 2280 SSD14,171$569Compare

All SSDs · JSON

Cite this page: Hardware Spec Index, “Caldera SN-1991 Max 2TB PCIe 4.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/4452664 (accessed 2026-10-21).