Hardware Spec Index

Caldera SN-7688 Ultra 1TB PCIe 3.0 NVMe M.2 2280 SSD

SSDs · Caldera · SKU SN7688-ULTRA · Released 2019 · Updated 2026-10-23

Key facts

Benchmark index7,436 (SSDs scale)
Category rank#16,049
Street price$139
Power5 W (active)
Performance per dollar53.50
Released2019

Specifications

BrandCaldera
ModelCaldera SN-7688 Ultra
Capacity1 TB
Form factorM.2 2280
InterfacePCIe 3.0 x4, NVMe 1.4
Sequential read2,200 MB/s
Sequential write2,000 MB/s
Random 4K read420K IOPS
NAND3D QLC, 218-layer
CacheDRAM-less (HMB)
Endurance240 TBW (0.22 DWPD)
Warranty3 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-6333 Plus 1TB PCIe 4.0 NVMe M.2 2280 SSD9,633$239Compare
Mirenta SN-8735 Pro 2TB PCIe 4.0 NVMe M.2 2280 SSD9,459$189Compare
Altrix SN-4010 XT 1TB PCIe 4.0 NVMe M.2 2280 SSD8,402$209Compare
Mirenta SN-8097 Edge 4TB PCIe 4.0 NVMe M.2 2280 SSD13,723$499Compare
Strivon SN-8151 Ultra 2TB PCIe 4.0 NVMe M.2 2280 SSD6,276$99Compare
Strivon SN-6292 SE 1TB PCIe 4.0 NVMe M.2 2280 SSD7,172$149Compare

All SSDs · JSON

Cite this page: Hardware Spec Index, “Caldera SN-7688 Ultra 1TB PCIe 3.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/250747 (accessed 2026-10-23).