seagate constellation 4tb sas

seagate constellation 4tb sas插图

What is the part number for the Seagate constellation 4TB hard drive?

Seagate Constellation ES.3 ST4000NM0023 4TB SAS Hard Drive SeagatePart #/MPN: ST4000NM0023 DiscTech Item #: SGT-ST4000NM0023-BN-3Y

What is the capacity of the Seagate constellation es?

Seagate offers the Constellation ES.3 in a variety of options. Both SATA and SAS versions come in 1TB, 2TB, 3TB and 4TB capacities. The SATA version comes in both standard and SED iterations, the SAS models also add a FIPS security option, which is currently exclusive to Seagate.

Which Seagate hard drive has the highest capacity?

The Seagate Enterprise Capacity 3. hard drive line offers the top available capacity of 4TB, with several options ranging from SATA or SAS interface, to SED and FIPS security (SAS model only). The Constellation ES. 3 also gets a bit of a performance upgrade over the ES. 2 as well.

What is the difference between the Seagate constellation ES2 and ES3?

Compared to the prior generation Constellation ES.2, the ES.3 offers a sustained data rate of 175MB/s, up 13%, and Seagate has doubled the cache from 64MB in the ES.2 to 128MB in the ES.3.

How many IOPS read from Seagate Constellation ES.3?

In our first workload with a 100% random 4K transfers, we measured 229 IOPS read from the Seagate Constellation ES.3 and 192 IOPS write. This was a steady improvement over both previous-generation models.

What is the capacity of a Seagate 3.5" hard drive?

The Seagate Enterprise Capacity 3.5" hard drive line is the newly rebranded family of high capacity hard drives of which the Constellation ES.3 is the newest member. The ES.3 is a 7,200 RPM, 3.5" enterprise hard drive with SAS or SATA 6Gb/s interface that’s offered in capacities up to 4TB. Seagate didn’t just bring a capacity bump to the line though. Compared to the prior generation Constellation ES.2, the ES.3 offers a sustained data rate of 175MB/s, up 13%, and Seagate has doubled the cache from 64MB in the ES.2 to 128MB in the ES.3.

What is the capacity of Seagate Enterprise 3.5?

The Seagate Enterprise Capacity 3.5" hard drive line offers the top available capacity of 4TB, with several options ranging from SATA or SAS interface, to SED and FIPS security (SAS model only). The Constellation ES.3 also gets a bit of a performance upgrade over the ES.2 as well. Seagate quotes a 13% throughput gain; we saw a write improvement of 14.2% and a read increase of 12.7% in 128k sequential tests. Across the rest of our benchmarks we more or less found the ES.3 to top the prior generation drives in every test, showing Seagate has been able to eek out just that much more performance out of the platform that now offers 25% more capacity to boot.

How long is the average latency on a server?

In our Web Server test, average latency ranged from 34.87ms at 2T/2Q which scaled up to 1,151ms at 16T/16Q.

How much latency is 2T/2Q?

Looking at average latency in our File Server workload, we measured latency scaling from 33.41ms at 2T/2Q up to 1,189ms at 16T/16Q.

Does Seagate have a ES-3?

Seagate offers the Constellation ES.3 in a variety of options. Both SATA and SAS versions come in 1TB, 2TB, 3TB and 4TB capacities. The SATA version comes in both standard and SED iterations, the SAS models also add a FIPS security option, which is currently exclusive to Seagate. The ES.3 comes with a 5-year warranty.

What is a thermal pad on a hard drive?

Removing the circuit board from the hard drive body, we find multiple thermal pads used to dissipate heat from certain components into the HDD body. This allows the drive to act as one large heatsink, bleeding off excess heat with normal server airflow.