Hardware Spec Index

Caldera SN-2891 XT 1TB PCIe 4.0 NVMe M.2 2280 SSD

SSDs · Caldera · SKU SN2891-XT · Released 2026 · Updated 2026-10-23

Key facts

Benchmark index6,993 (SSDs scale)
Category rank#43,872
Street price$109
Power8 W (active)
Performance per dollar64.16
Released2026

Specifications

BrandCaldera
ModelCaldera SN-2891 XT
Capacity1 TB
Form factorM.2 2280
InterfacePCIe 4.0 x4, NVMe 2.0
Sequential read5,600 MB/s
Sequential write5,000 MB/s
Random 4K read860K IOPS
NAND3D QLC, 176-layer
CacheDRAM-less (HMB)
Endurance240 TBW (0.22 DWPD)
Warranty3 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
Altrix SN-3201 Core 2TB PCIe 4.0 NVMe M.2 2280 SSD10,391$269Compare
Mirenta SN-3079 Max 1TB PCIe 4.0 NVMe M.2 2280 SSD4,856$59Compare
Mirenta SN-1948 Pro 8TB PCIe 4.0 NVMe M.2 2280 SSD12,284$379Compare
Altrix SN-8861 Ultra 2TB PCIe 4.0 NVMe M.2 2230 SSD12,806$469Compare
Novexa SN-2838 SE 1TB PCIe 4.0 NVMe M.2 2280 SSD7,106$139Compare
Mirenta SN-4478 Core 1TB PCIe 4.0 NVMe M.2 2280 SSD8,326$189Compare

All SSDs · JSON

Cite this page: Hardware Spec Index, “Caldera SN-2891 XT 1TB PCIe 4.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/10112293 (accessed 2026-10-23).