Processing lots of simultaneous disk I/O requests? Step up to Hostirian’s NVMe SSD servers.
Check out the graph below.
Sequential read
Sequential write
Random read IOPS
Random write IOPS
WD Black Edition 7,200rpm
215MB/s
215MB/s
84
207
Samsung 860 Pro
SSD
560MB/s
530MB/s
100,000
90,000
Samsung 960
PCIe NVMe SSD
3,200MB/s
1,900MB/s
380,000
360,000
Putting the speed of NVMe SSD into perspective
Sequential read
Sequential write
Random read IOPS
Random write IOPS
WD Black Edition 7,200rpm
215MB/s
215MB/s
84
207
Samsung 860 Pro
SSD
560MB/s
530MB/s
100,000
90,000
Samsung 960
PCIe NVMe SSD
3,200MB/s
1,900MB/s
380,000
360,000
If storage devices were cars, in the amount of time it would take for a 15K HDD to travel the length of a 100-meter dash, a NAND Flash SSD could traverse the length of a marathon (26.2 miles). NVMe could travel from New York to Los Angeles and back in the same amount of time.
Don’t be fooled by NVMe SSD modules that run in SATA mode.
The Non-Volatile Memory Express technology on our servers takes advantage of PCIe’s bandwidth to create incredibly fast SSDs that blast SATA-based drives out of the water, fully exploiting the performance of high-end SSDs.
NVMe modules like the 960 EVO are engineered to take advantage of the unique properties of pipeline-rich, random access, memory-based storage. NVMe also reflects improvements in methods to lower data latency.
Why settle for slow servers?
Dictionaries define “slow” as SCSI, SAS, PATA and SATA. Why? These are protocols that date back decades! They were based on hard drives that spun like tops – very mechanical in nature, thus prone to all sorts of failures and limitations based on rotation speeds and read/write heads.
NVMe SSD reduces I/O overhead
NVMe doesn’t just take advantage of lower data latency, it reduces I/O overhead, giving it the ability to process multiple long command queues. It only needs a single message for 4KB transfers compared to two, which increases server speed when processing tons of concurrent disk I/O requests.
NVMe SSD is a performance based solution
Traditional storage requires an ACHI (SATA) or SAS controller to connect mechanical hard disks to the PCIe bus, but NVMe eliminates that bridge and instead makes a direct connection.
SSD was a performance based solution because the latency or response time of the storage media improved drastically over mechanical drives, by as much a thousand times. Conversely, the bottleneck with under-performing NVMe is the SATA interface. When establishing a direct connection to PCIe, NVMe outperforms SSD by 6 times. This equates to server performance that the user can see and feel.
Maximum Queue Depth
Uncacheable Register Addresses
2000 Cycles Each
MSI-X and Interrupt Steering
Parallelism and Multiple Threads
Efficiency for 4 KB Commands
High Level Comparision - AHCI and NVMe storage protocols
AHCI (SATA)
One Command Queue;
32 Commands Per Queue
Six Per Non-Queued Command;
Nine Per Queued Command
A Singe Interrupt;
No Steering
Requires Synchronization Lock to Issue Command
Command Parameters Require Two Serialized Host DRAM Fetches
NVMe
65535 Queues;
65536 Commands Per Queue
Two Per Command
2048 MSI-X Interrupts
No Locking
Gets Command Parameters in one 64 byte Fetch
NVMe SSD modules running in SATA mode don’t deliver optimal performance
The Advanced Host Controller Interface (AHCI) is widely compatible with different softwares, but doesn’t deliver optimal performance when used with SSDs connected via the PCI Express bus. Why? SSD devices behave much more like DRAM than like spinning media, resulting in inefficiencies introduced by AHCI.
Our NVMe SSD servers address those inefficiencies
Our NVMe servers address those inefficiencies, capitalizing on the low latency and parallelism of PCI Express SSDs, – complementing the parallelism of contemporary CPUs, platforms and applications.
Join Hostirian’s NVMe SSD revolution today
Call Us at 800-615-9349 or Email Us at Sales@Hostirian.com