Crucial Expands MX300 SSD Lineup with Additional Capacities: Up to 1TB

Crucial this week made two announcements. Its MX300 family of 3D NAND-based consumer-grade SSDs has been expanded with additional models, and also Crucial revealed plans to start sales of its MX300 drives in the M.2 form-factor. The family of affordable SSDs now includes models with 275 GB, 525 GB, 750 GB and 1 TB of usable NAND flash. In addition, Crucial intends to roll out a 2 TB version of its MX300 in the near future and has already disclosed its specs.

The Crucial MX300 SSDs are based on the company’s first-generation 32-layer 3D TLC NAND as well as Marvell’s 88SS1074 controller. Just like other MX-series drives, the new devices fully support encryption, pseudo-SLC caching for faster writes, partial power loss protection and a three-year warranty. We reviewed the 750GB version of the MX300 earlier this year, and you can read the review here.

Due to the 384 Gb (48 GB) capacity of Micron’s 3D TLC NAND, the configurations of actual SSDs seem somewhat unusual, but Micron has stated this does not affect performance or endurance of the novelties. According to the manufacturer, the MX300 drives support sequential read performance up to 530 MB/s as well as sequential write performance up to 510 MB/s (which is in line with affordable TLC NAND-based drives). The SSDs are also rated for up to 92K/83K random read/write IOPS.

Back in April, Crucial introduced its limited edition MX300 750 GB SSD (which we reviewed) and this week it expanded the family with 275 GB, 525 GB as well as 1 TB models to address different segments of the market. The currently available Crucial MX300 drives come in a 2.5”/7mm form-factor with a SATA interface, with an M.2 version coming later in August for the 275 GB/525 GB/1 TB models. A good news is that the forthcoming MX300 M.2 drives promise to deliver the same performance and endurance as the 2.5-inch drives.

As for pricing, the 275 GB, 525 GB, 750 GB and 1TB 2.5-inch versions of the MX300 from Crucial will be available for MSRP of $69.99, $129.99, $189.99 and $259.99 respectively (note that the 750 GB version is $10 cheaper than launch). Prices of the MX300 M.2 drives, as well as MX300 2 TB SSDs, are not set yet.

Samsung’s PM1633a Now Available: $10k for 15 TB, $6k for 7 TB

Samsung started to ship its PM1633a SSD with 15.36 TB capacity to select customers in March and recently it began to supply the drive to select resellers as well. The enterprise-class SSD is now offered by two U.S.-based retailers and can be purchased for ~$10,000, which makes it one of the world’s most expensive commercial solid-state drives. Meanwhile, Samsung officially expanded its PM1633a family of SSDs with many lower-capacity models and has begun to ship the 7.68 TB version to at least one reseller.

The Samsung PM1633a drives are based on the company’s third-generation 256 Gb TLC 3D V-NAND memory chips introduced last year. Samsung stacks 16 of such ICs to form a single 512 GB package and then uses 32 of them to build its flagship 15.36 TB SSD, leaving about 1 TB of NAND flash for overprovisioning. Typically, high-capacity SSDs do not provide very high performance, because of peculiarities of their internal architecture and limitations of contemporary controllers (which cannot simultaneously access many high-density chips, or multiple controllers in a RAID-0 stripe configuration). To speed up its most spacious PM1633a drive, Samsung had to develop a new proprietary controller that can concurrently access large amounts of high-density NAND flash with the help of a special firmware. For its flagship PM1633a 15.36 TB SSD, the manufacturer declares sequential read performance up to 1200 MB/s as well as sequential write performance up to 900 MB/s using the SAS-12Gbps interface. As for random read and write operations, the 15.36 TB SSD can deliver up to 195,000 and 31,000 IOPS respectively (which is slightly lower than the company advertised back in March).

When Samsung announced its PM1633a SSD earlier this year, it only introduced one model with 15.36 TB capacity. Since then, the company has officially expanded the PM1633a family with 480 GB, 960 GB, 1.92 TB, 3.84 TB and 7.68 TB models (see flyer for details). The expansion of the lineup demonstrates Samsung’s confidence that its third-generation V-NAND TLC memory is reliable enough for enterprise usage scenarios. In fact, the PM1633a series consists of six SKUs, whereas the PM1633 family based on the second-gen 32-layer V-NAND includes only four configurations (up to 3.8 TB capacity, but they are faster than the PM1633a). Both lineups are aimed at enterprise storage applications with SAS 12Gbps interface.

Back in March, Samsung only began to ship its PM1633a to select clients. We suspect that these clients are those that run large cloud data centers, and require such drives to run their specific workloads. Now,the manufacturer has started to ship its flagship SAS SSD to a broader range of customers. For example, the Samsung PM1633a 15.36 TB drive (MZILS15THMLS) is now offered by CDW for $10,311.99 as well as by SHI for $9,690 on preorder. Both retailers ask to contact them for actual availability, depending on when stock is available (which is not surprising, given the price of the SSD as well as its very special positioning). In addition, CDW also offers the PM1633a 7.68 TB (MZILS7T6HMLS) drive for $5,729.99, which ships within 11–13 days.

The price of Samsung’s PM1633a 15.36 TB SSD may seem excessive, but for large cloud data centers (which always try to maximize their storage capacity) as well as mission-critical storage applications such drives make a lot of sense. For example, Supermicro has 2U machines that can fit in 48 SAS3/12G storage devices (1, 2). Each of such servers can store 737.28 TB of data (if fully populated with Samsung’s 15.36 TB SSDs), whereas storage capacity of a 42U cabinet featuring 21 of such servers will be 15482 TB (15.4 PB). By contrast, a standard 42U storage rack featuring 360 3.5” 10 TB hard drives can store around 3600 TB. Moreover, given very high sequential and random read/write performance of the PM1633a, just one such device can substitute many 10K or 15K mission-critical HDDs (each of which can cost $400 – $700). Hence, there will be numerous customers interested in buying the Samsung PM1633a 15.36 TB for its price-point.

Sources: Samsung, CDW (via PC World), SHI.

Gallery: Samsung Expands Its PM1633a Lineup As 15.36 TB SSD Hits Retail for $10K

Other Reading:

The Samsung 850 EVO 4TB SSD Review
Samsung’s 850 EVO 4TB Now Available at $1500

G-Technology Introduces G-Drive and G-RAID External HDDs up to 20 TB

G-Technology this week introduced several new models of its G-Drive and G-RAID products with Thunderbolt 1, USB 3.0 or Thunderbolt 2 soltions. These are direct attached storage (DAS) devices, based on the latest hard drives featuring 10 TB capacity. T…