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Samsung To Offers 8TB PM883 6Gbps SATA SSD and 16Gb-64GB DDR4 RDIMM
Samsung announced that it is rolling out its PM883, the highest density datacenter SATA drive, at eight terabytes (TB). Samsung's new solid state drive (SSD) offering is the industry's first datacenter SATA drive to incorporate LPDDR4 DRAM modules and features a 6.0-gigabits-per-second (Gbps) 2.5-inch SATA interface.
The high-performance PM883 is expected to accelerate a transition in many existing enterprise datacenters to SATA-formatted SSD designs, with improved economies of scale through the use of advanced-generation V-NAND technology at higher densities.
"We are thrilled to have the opportunity to enable a high level of storage density with low power consumption, which thanks to the efficiency of our 64-layer V-NAND-based technology, allows us to double the capacity of current SATA storage," said Jim Elliott, corporate senior vice president, memory sales and marketing, Samsung Semiconductor, Inc. "Our expanded lineup for the PM883 will offer up to 8TB to allow optimal use in existing enterprise and cloud storage systems."
The PM883 includes 16Gb LPDDR4 DRAM based on advanced 10-nanometer (nm)-class process technology. Also, for the first time in the industry, a SATA 3.3-compliant Power Disable (PWDIS) feature allows power management in individual SSD units to maximize the energy efficiency of tomorrow's datacenters.
With additional power-saving technology, the new drive uses only 2.8 watts of power when reading, and 3.7 watts when writing.
The PM883 reads data sequentially at up to 550 megabits per second (MB/s) and sequentially writes at up to 520MB/s. Random reads deliver up to 98,000 IOPS and random writes up to 28,000 IOPS.
Regarding endurance, the PM883 has a TBW (total bytes written) rating of 5466TB for the 3840GB drive and 10,932TB for the 7680GB drive.
In related enterprise memory news, Samsung announced that this week it will exhibit two new or upcoming memory solutions key to the High-Performance Computing (HPC) market - the first 8-terabyte SSD built in the highly anticipated ultra-small NF1 form factor, and the first 64GB DDR4 RDIMM using 16Gb monolithic chips.
Samsung NF1 SSD Exhibition
The Samsung NF1 (formerly referred to as NGSFF), which has been designed to dramatically improve the storage capacity and performance of next-generation 1U rack servers, will be exhibited for the first time, at the 2018 Open Compute Project U.S. Summit in the San Jose (CA) Convention Center (Samsung Booth - B45). The Summit will be held March 20-21.
The 8TB SSD is now being sampled with several server manufacturers, including two who are co-exhibiting in the Samsung booth. The drive will have the first form factor designed specifically for the dense 1U servers widely used in cloud datacenters.
The upcoming Samsung 64-layer 8TB NF1 SSD can deliver I/O at a phenomenal 0.5 petabytes per second.
Measuring only 30.5mm x 110mm x 4.8mm, the drive will improve space utilization and scaling options for artificial intelligence, deep learning and other hyper-scale datacenter server applications. Up to 36 Samsung NF1 SSDs can fit across the front of a 1RU server allowing nearly six times the storage capacity per RU over U.2 SSDs.
16Gb 64GB DDR4 RDIMM Exhibit
Samsung will also be exhibiting the industry's first 16Gb-based 64GB RDIMMs at the 2018 OCP U.S. Summit, for cloud or enterprise servers.
Available now, these low-power monolithic chips support interface speeds of 2666 MT/s, and offer a greater than 20% power reduction versus 8Gb-based 64GB LRDIMMs. Use of the 16Gb monolithic chips allows the maximum DIMM density to increase to 256GB making them suitable for memory-intensive applications such as In-Memory Databases and Virtual Desktop Infrastructure (VDI).
Samsung plans to expand its lineup to include higher capacity 16Gb-based 128GB and 256GB RDIMM and LRDIMMs later this year.
Samsung is the industry's pioneer in ultra-small and high density SSDs for server OEMs as well as low-power, high density DRAM, and has been the worldwide sales leader in DDR4 and SSDs for the cloud and HPC markets for the past several years.
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nosirrahx
Senior Member
Posts: 450
Joined: 2013-04-05
Senior Member
Posts: 450
Joined: 2013-04-05
#5530053 Posted on: 03/21/2018 01:55 PM
Is there a reason they can't put these in the 3.5" form factor?
Surely, if they have enough room to put the chips in, they can make 4 times this size at least.
I don't understand why everyone thinks we all have to be 2.5".
When it comes to big data it is critical to have a huge number of simultaneous channels connecting you to your data. You can achieve far more throughput connecting to 4 2.5 inch SATA/SAS SSDs than 1 larger (physical and capacity) 3.5 inch SSD over a single SATA/SAS port.
You are absolutely correct that a 3.5 inch drive could have 4 times the capacity of a 2.5 inch drive but accessing the data would be ~4 times slower.
Is there a reason they can't put these in the 3.5" form factor?
Surely, if they have enough room to put the chips in, they can make 4 times this size at least.
I don't understand why everyone thinks we all have to be 2.5".
When it comes to big data it is critical to have a huge number of simultaneous channels connecting you to your data. You can achieve far more throughput connecting to 4 2.5 inch SATA/SAS SSDs than 1 larger (physical and capacity) 3.5 inch SSD over a single SATA/SAS port.
You are absolutely correct that a 3.5 inch drive could have 4 times the capacity of a 2.5 inch drive but accessing the data would be ~4 times slower.
schmidtbag
Senior Member
Posts: 7442
Joined: 2012-11-10
Senior Member
Posts: 7442
Joined: 2012-11-10
#5530113 Posted on: 03/21/2018 04:04 PM
When it comes to big data it is critical to have a huge number of simultaneous channels connecting you to your data. You can achieve far more throughput connecting to 4 2.5 inch SATA/SAS SSDs than 1 larger (physical and capacity) 3.5 inch SSD over a single SATA/SAS port.
You are absolutely correct that a 3.5 inch drive could have 4 times the capacity of a 2.5 inch drive but accessing the data would be ~4 times slower.
I understand what you're saying but it doesn't add up. There are RAID systems that have supported 4+ 3.5 inch drives for a long time now, and many of them are still in use. In other words, there shouldn't be anything preventing companies from having the option of double-capacity 3.5 inch SSDs, that they maybe could use with their existing hardware. In other words, there is no such restriction of "you can either have 4x 2.5 inch drives or 2x 3.5 inch drives". Considering how much everything is shrinking nowadays, I'm sure mainframes are not struggling to find space. In fact, having 8x 2.5 inch drives would likely take up more space than 4x 2.5 inch drives, when you consider the systems operating them.
It's not like companies can't make both form factors. After all, hard drives have ranged from 1.8 inch drives to 5.25 inch, maybe even larger (for x86-based computers).
When it comes to big data it is critical to have a huge number of simultaneous channels connecting you to your data. You can achieve far more throughput connecting to 4 2.5 inch SATA/SAS SSDs than 1 larger (physical and capacity) 3.5 inch SSD over a single SATA/SAS port.
You are absolutely correct that a 3.5 inch drive could have 4 times the capacity of a 2.5 inch drive but accessing the data would be ~4 times slower.
I understand what you're saying but it doesn't add up. There are RAID systems that have supported 4+ 3.5 inch drives for a long time now, and many of them are still in use. In other words, there shouldn't be anything preventing companies from having the option of double-capacity 3.5 inch SSDs, that they maybe could use with their existing hardware. In other words, there is no such restriction of "you can either have 4x 2.5 inch drives or 2x 3.5 inch drives". Considering how much everything is shrinking nowadays, I'm sure mainframes are not struggling to find space. In fact, having 8x 2.5 inch drives would likely take up more space than 4x 2.5 inch drives, when you consider the systems operating them.
It's not like companies can't make both form factors. After all, hard drives have ranged from 1.8 inch drives to 5.25 inch, maybe even larger (for x86-based computers).
nosirrahx
Senior Member
Posts: 450
Joined: 2013-04-05
Senior Member
Posts: 450
Joined: 2013-04-05
#5530147 Posted on: 03/21/2018 05:14 PM
I understand what you're saying but it doesn't add up. There are RAID systems that have supported 4+ 3.5 inch drives for a long time now, and many of them are still in use. In other words, there shouldn't be anything preventing companies from having the option of double-capacity 3.5 inch SSDs, that they maybe could use with their existing hardware. In other words, there is no such restriction of "you can either have 4x 2.5 inch drives or 2x 3.5 inch drives". Considering how much everything is shrinking nowadays, I'm sure mainframes are not struggling to find space. In fact, having 8x 2.5 inch drives would likely take up more space than 4x 2.5 inch drives, when you consider the systems operating them.
It's not like companies can't make both form factors. After all, hard drives have ranged from 1.8 inch drives to 5.25 inch, maybe even larger (for x86-based computers).
Look at the form factor of modern servers. The drive bays are vertical and 2.5 inch, it makes for very compact and fast storage.
The shrinking you speak of is very real but is still being outpaced by the demand for parallel access. SATA/SAS had its bandwidth maxed out by NAND so increasing capacity alone is not giving customers what they need.
If you switched from a NAS/DAS/SAN with 8 8TB 3.5 inch HDDs to 16 8TB 2.5 inch SSDs VS 8 16TB 3.5 inch SSDs you get the same capacity increase either way but with double the drives you could potentially have double the speed.
The bolded part in particular is very much not true. Big data and AI demand is outpacing technological progress by a huge margin currently.
I understand what you're saying but it doesn't add up. There are RAID systems that have supported 4+ 3.5 inch drives for a long time now, and many of them are still in use. In other words, there shouldn't be anything preventing companies from having the option of double-capacity 3.5 inch SSDs, that they maybe could use with their existing hardware. In other words, there is no such restriction of "you can either have 4x 2.5 inch drives or 2x 3.5 inch drives". Considering how much everything is shrinking nowadays, I'm sure mainframes are not struggling to find space. In fact, having 8x 2.5 inch drives would likely take up more space than 4x 2.5 inch drives, when you consider the systems operating them.
It's not like companies can't make both form factors. After all, hard drives have ranged from 1.8 inch drives to 5.25 inch, maybe even larger (for x86-based computers).
Look at the form factor of modern servers. The drive bays are vertical and 2.5 inch, it makes for very compact and fast storage.
The shrinking you speak of is very real but is still being outpaced by the demand for parallel access. SATA/SAS had its bandwidth maxed out by NAND so increasing capacity alone is not giving customers what they need.
If you switched from a NAS/DAS/SAN with 8 8TB 3.5 inch HDDs to 16 8TB 2.5 inch SSDs VS 8 16TB 3.5 inch SSDs you get the same capacity increase either way but with double the drives you could potentially have double the speed.
The bolded part in particular is very much not true. Big data and AI demand is outpacing technological progress by a huge margin currently.
schmidtbag
Senior Member
Posts: 7442
Joined: 2012-11-10
Senior Member
Posts: 7442
Joined: 2012-11-10
#5530150 Posted on: 03/21/2018 05:24 PM
Agreed, but the point ultimately remains the same: 3.5 inch drives are more space efficient when doubling your capacity. If doubling your capacity is not a primary objective, then stick with 2.5 inch drives. Again - there's no reason both can't exist.
It's not unanimously true, but it still applies in a lot of cases. You do have a valid point about big data, but AI is relatively niche. AI is a growing market but the vast majority of businesses do not have mainframes dedicated to it, at least not to the degree that universities or companies like Google are interested in.
If you switched from a NAS/DAS/SAN with 8 8TB 3.5 inch HDDs to 16 8TB 2.5 inch SSDs VS 8 16TB 3.5 inch SSDs you get the same capacity increase either way but with double the drives you could potentially have double the speed.
Agreed, but the point ultimately remains the same: 3.5 inch drives are more space efficient when doubling your capacity. If doubling your capacity is not a primary objective, then stick with 2.5 inch drives. Again - there's no reason both can't exist.
The bolded part in particular is very much not true. Big data and AI demand is outpacing technological progress by a huge margin currently.
It's not unanimously true, but it still applies in a lot of cases. You do have a valid point about big data, but AI is relatively niche. AI is a growing market but the vast majority of businesses do not have mainframes dedicated to it, at least not to the degree that universities or companies like Google are interested in.
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Posts: 124
Joined: 2016-11-08
Is there a reason they can't put these in the 3.5" form factor?
Surely, if they have enough room to put the chips in, they can make 4 times this size at least.
I don't understand why everyone thinks we all have to be 2.5".