Hardware Spec Index

Caldera SN-5551 Ultra 1TB PCIe 3.0 NVMe M.2 2280 SSD

SSDs · Caldera · SKU SN5551-ULTRA · Released 2019 · Updated 2026-10-22

Key facts

Benchmark index7,027 (SSDs scale)
Category rank#29,050
Street price$99
Power6 W (active)
Performance per dollar70.98
Released2019

Specifications

BrandCaldera
ModelCaldera SN-5551 Ultra
Capacity1 TB
Form factorM.2 2280
InterfacePCIe 3.0 x4, NVMe 1.4
Sequential read3,000 MB/s
Sequential write2,900 MB/s
Random 4K read550K IOPS
NAND3D TLC, 218-layer
CacheDRAM-less (HMB)
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
Altrix SN-6065 Plus 500GB SATA 2.5-inch SSD3,862$39Compare
Mirenta SN-8443 Plus 1TB PCIe 3.0 NVMe M.2 2280 SSD5,599$59Compare
Altrix SN-6436 XT 4TB PCIe 5.0 NVMe M.2 2280 SSD12,379$429Compare
Mirenta SN-2566 Edge 1TB PCIe 4.0 NVMe M.2 2280 SSD7,592$149Compare
Altrix SN-8084 Core 2TB PCIe 4.0 NVMe M.2 2280 SSD8,552$189Compare
Caldera SN-3698 Edge 1TB PCIe 4.0 NVMe M.2 2280 SSD8,148$189Compare

All SSDs · JSON

Cite this page: Hardware Spec Index, “Caldera SN-5551 Ultra 1TB PCIe 3.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/63311957 (accessed 2026-10-22).