Hardware Spec Index

Caldera SN-1549 Ultra 1TB PCIe 4.0 NVMe M.2 2280 SSD

SSDs · Caldera · SKU SN1549-ULTRA · Released 2020 · Updated 2026-10-21

Key facts

Benchmark index9,180 (SSDs scale)
Category rank#186
Street price$199
Power6 W (active)
Performance per dollar46.13
Released2020

Specifications

BrandCaldera
ModelCaldera SN-1549 Ultra
Capacity1 TB
Form factorM.2 2280
InterfacePCIe 4.0 x4, NVMe 2.0
Sequential read7,100 MB/s
Sequential write6,400 MB/s
Random 4K read1,260K IOPS
NAND3D TLC, 232-layer
CacheDDR4 DRAM, 1 GB
Endurance600 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
Novexa SN-4642 Pro 500GB PCIe 4.0 NVMe M.2 2280 SSD5,560$69Compare
Caldera SN-8260 Prime 4TB PCIe 4.0 NVMe M.2 2280 SSD14,493$599Compare
Strivon SN-1230 SE 4TB PCIe 4.0 NVMe M.2 2280 SSD12,369$419Compare
Altrix SN-5529 Ti 1TB PCIe 4.0 NVMe M.2 2230 SSD7,193$119Compare
Altrix SN-4259 SE 1TB SATA 2.5-inch SSD3,427$29Compare
Novexa SN-3699 XT 4TB PCIe 4.0 NVMe M.2 2280 SSD11,272$369Compare

All SSDs · JSON

Cite this page: Hardware Spec Index, “Caldera SN-1549 Ultra 1TB PCIe 4.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/2874846 (accessed 2026-10-21).