Hardware Spec Index

Caldera SN-1821 Plus 8TB PCIe 5.0 NVMe M.2 2280 SSD

SSDs · Caldera · SKU SN1821-PLUS · Released 2026 · Updated 2026-10-26

Key facts

Benchmark index13,924 (SSDs scale)
Category rank#44,786
Street price$599
Power9 W (active)
Performance per dollar23.25
Released2026

Specifications

BrandCaldera
ModelCaldera SN-1821 Plus
Capacity8 TB
Form factorM.2 2280
InterfacePCIe 5.0 x4, NVMe 2.0
Sequential read12,700 MB/s
Sequential write10,800 MB/s
Random 4K read1,460K IOPS
NAND3D TLC, 218-layer
CacheLPDDR4 DRAM, 8 GB
Endurance4,800 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
Caldera SN-2723 Max 2TB PCIe 4.0 NVMe M.2 2230 SSD8,319$209Compare
Novexa SN-8569 Ti 2TB PCIe 4.0 NVMe M.2 2280 SSD8,948$229Compare
Novexa SN-2643 XT 4TB PCIe 4.0 NVMe M.2 2280 SSD9,473$259Compare
Mirenta SN-3287 Ultra 500GB SATA 2.5-inch SSD3,234$39Compare
Novexa SN-1493 Plus 2TB PCIe 4.0 NVMe M.2 2280 SSD10,760$279Compare
Mirenta SN-9576 XT 1TB PCIe 4.0 NVMe M.2 2280 SSD8,540$209Compare

All SSDs · JSON

Cite this page: Hardware Spec Index, “Caldera SN-1821 Plus 8TB PCIe 5.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/602092 (accessed 2026-10-26).