Power Failure Protection and Data Recovery
The HPE P40471-K21 SAS 24GBPS 1.92TB Read Intensive SFF Basic Carrier SSD has several features to ensure data protection and data recovery in case of power failure or other types of failures.
- Power Loss Data Protection (PLDP): PLDP is a technology that protects data in case of sudden power loss or a power outage. It writes data to non-volatile memory (NVRAM) before shutting down, allowing the SSD to resume normal operations once power is restored.
- Uncorrectable Bit Error Rate (UBER): UBER is a measure of the reliability of an SSD. A UBER of less than 1 sector per 10^17 bits read is considered acceptable for enterprise-class SSDs, and the HPE P40471-K21 meets this requirement.
- RAID Configuration: By using RAID (Redundant Array of Inexpensive Disks) configurations, such as RAID 5 or RAID 6, data can be protected against drive failure and improve the reliability of the storage system.
- Error Correction Code (ECC): ECC is a method of detecting and correcting errors in the data stored on an SSD. The HPE P40471-K21 uses ECC to ensure the integrity of data stored on the drive.
- Hot Spare Support: The HPE P40471-K21 supports hot spare functionality, which allows for a spare drive to be available in case of drive failure. This helps to minimize downtime and improve data recovery.
In the event of a failure, data recovery can be performed using various methods, including using backup and restore, data recovery software, or professional data recovery services. It is always recommended to regularly backup important data to minimize the risk of data loss in case of failures.
High-Performance Computing
The HPE P40471-K21 SAS 24Gbps 1.92TB Read Intensive SFF Basic Carrier SSD is a solid-state drive (SSD) that provides high-performance computing capabilities. The drive has a read-intensive workload optimized design and is capable of delivering 24 Gbps of data transfer speed through its SAS interface. With a capacity of 1.92TB, it provides ample storage space for storing large amounts of data.
This SSD is designed to be used in a high-performance computing environment and is well-suited for applications that require fast, reliable data access. The read-intensive design of the drive provides fast read speeds, making it ideal for use cases where data retrieval is a key requirement. Additionally, the SAS interface allows for easy integration with other SAS-based components, providing a high-speed, low-latency data transfer path.
The HPE P40471-K21 SAS 24Gbps 1.92TB Read Intensive SFF Basic Carrier SSD is a small form-factor (SFF) drive, which makes it an ideal choice for use in space-constrained systems. The Basic Carrier form factor allows for easy integration with other basic carrier components, making it an ideal choice for a wide range of applications and systems.
Latency and Response Time
The latency and response time of the HPE P40471-K21 SAS 24GBPS 1.92TB Read Intensive SFF Basic Carrier SSD are important factors that determine its performance and speed.
Latency refers to the time it takes for a command to be received and processed by the SSD, and for the first data to start being transferred. Latency can be influenced by several factors, including the type of interface (SAS, SATA, NVMe), the speed of the interface, the architecture of the SSD, and the workload.
Response time refers to the total time it takes for a command to be received, processed, and for all requested data to be transferred. Response time is influenced by factors such as queue depth, random vs sequential access patterns, and the size of the request.
The exact latency and response time of the HPE P40471-K21 SAS 24GBPS 1.92TB Read Intensive SFF Basic Carrier SSD can vary depending on the specific workload and environment, but generally speaking, SAS SSDs tend to have lower latency and faster response times compared to SATA SSDs. Additionally, the HPE P40471-K21 is a read-intensive SSD, meaning it is optimized for read-heavy workloads, which can result in lower response times for read operations.
Main Information of HPE P40471-K21 1.92TB
- Brand Name: HPE
- Model Number or SKU# P40471-K21
- Device Type: Solid State Drive - Hot-Swap
- Capacity: 1.92 TB
- Form Factor: 2.5 inch SFF
- Interface: SAS 24Gbps
- NAND Flash Memory Type: Triple-level cell (TLC)
- Plug Type: Hot Pluggable
- Connectivity Type: Dual
- Carrier Type: Basic Carrier (BC)
- Workload Type: Read Intensive
- Bundled with: HPE Basic Carrier (BC)
- Features: Digitally Signed Firmware (DS)
- Platform Supported: HPE ProLiant Rack
- Height: 15.00 mm
Performance about P40471-K21 HPE 1.92TB SAS-24GBPS
- Lifetime Writes (TB): 3424
- Endurance DWPD (Drive Writes Per Day): 1
- Drive Transfer Rate: 24 Gbps (external)
- MAX Seq. Reads Throughput (MiB/s): 1080
- MAX Seq. Writes Throughput (MiB/s): 1035
- Random Read Average Latency uSec (4KiB,Q1): 100
- Random Write Average Latency uSec (4KiB,Q1): 32
- Random Read IOPS (4KiB, Q=16): 145000
- Random Write IOPS (4KiB, Q=16): 79000
- MAX Random Read IOPS (4KiB): 173000@Q64
- MAX Random Write IOPS (4KiB): 80000@Q4
Power Consumption of HPE P40471-K21
- Idle Time: 3.02 Watt
- Random Read: 7.46 Watt
- Random Write: 7.46 Watt
- Sequential Read: 8.64 Watt
- Sequential Write: 12.23 Watt
- Random Read/Write: 7.46 Watt
- MAX: 12.23 Watt
Compatibility about SAS-24GBPS SSD
- HPE ProLiant DL Series: DL20 Gen10 Plus , DL20 Gen10 Plus Base , DL20 Gen10 Plus Entry , DL20 Gen10 Plus High Performance , DL20 Gen10 Plus Performance , DL325 Gen10 Plus V2 , DL325 Gen10 Plus V2 Base , DL325 Gen10 Plus V2 for Weka Base Tracking , DL325 Gen10 Plus V2 Performance , DL345 Gen10 Plus , DL345 Gen10 Plus Base , DL345 Gen10 Plus Entry , DL360 Gen10 Plus , DL360 Gen10 Plus All-NVMe Server for Software Defined Storage , DL360 Gen10 Plus for Weka Base Tracking , DL360 Gen10 Plus Network Choice , DL365 Gen10 Plus , DL380 Gen10 Plus , DL380 Gen10 Plus Network Choice
- HPE ProLiant ML Series: ML30 Gen10 Plus , ML30 Gen10 Plus Entry , ML30 Gen10 Plus Performance
- HPE SimpliVity 325 Gen10 Plus V2 Node
Contact us or ask for live chat/help if you have any questions about the compatibility of this item to ensure the model's matching features with your current system.
About New Bulk Pack Products
When it comes to computing, priorities are placed on storage and performance. The hard drive is often viewed as a major storage device. However, there is alternative hardware that can do a perfect job. People now use Solid State Drives as the main storage device for a wide range of technological needs.
An SSD is a nonvolatile storage media that stores data on solid-state flash memory. It emulates the hard disk drive by enhancing servers' capabilities and performance, desktop computers, and other devices. Users view them as the best option for responsiveness, increased disk space, and better performance.
SSD VS HDD
Solid State Drives and hard disk drives are somewhat similar in their physical specification. However, they store data in different ways. HDD stores data magnetically via spinning disk platters. It has an actuator arm with transducers that read and write data on the platter.
On the other hand, an SSD stores data in integrated circuits. It has no moving parts and does not require users to wait for platter movement. They are much smaller and more flexible than hard disk drive - HDDs. Having no physical moving parts and using electrical circuits makes solid state drives faster than their hard drive counterparts.
Their faster speed makes them more useful when carrying out storage-intensive tasks. Many SSDs also come with PCIe interfaces, which makes them faster than HDDs with SATA interfaces. Also, SSDs are generally more reliable than HDDs. This is because they have no moving parts, and vibration or friction does not affect them.
Data access with SSDs is faster, so they require less power. This results in longer battery life for servers and computers. HDDs, on the other hand, require more power because of their moving disk platters.
How Do Solid State Drives Work?
Solid State Drives read and write data on interconnected flash memory chips. They come with floating gate transistors (FGRs) that help them hold electrical charges. With the FGRs, SSDs retain information even when power is turned off.
The NAND flash memory stores the data of the SSD. They make use of four NAND cell technologies – single, multi, triple, and Quad-level cells. Single-level cells (SLC) hold one bit of data at a time.
Multi-level cells (MLC) can hold two bits of data per cell. They have more storage space than SLC. Triple-level cells (TLC) hold three bits of data per cell, offering more capacity than the SLC and MLC. The Quad-level cells (QLC) stores four bits of data, giving migrating electrons the most significant effect.
Types of SSDs
The types of solid state drives depend on the way they are used. Some of these devices are installed within the system hardware, while others are connected externally through ports. The common interfaces for SSD connection are:
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PCIe and NVMe
Users make use of PCI Express (PCIe) to connect graphics cards and related high-performance peripherals. It is an interface with low latency and high bandwidth. Therefore, it is ideal for very fast communication between the SSD and the server.
Nonvolatile Memory Express standard (NVMe) offers higher input output per second. SSDs that use this connection type run at up to 4,000 MB/s.
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SATA III and mSATA III
Serial Advanced Technology Attachment (SATA) is an older interface than the PCIe. Their signaling technology allows them to transfer data faster than traditional hard disk drive - HDDs. They have speeds of up to 600MB per second. SATA SSDs also offer the best compatibility and value than the HDD variants.
There are SSDs that are designed for business purposes. They can be external or internal, and they are convenient means of boosting PCs, desktop computers, gaming consoles, and servers.
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SAS SSD
The Serial-Attached SCSI (SAS) version SSDs provide faster data transfer rates than the SATA SSDs. In general, a SAS SSD provides dual-port connection and builds in features to improve reliability, high error correction, low data latency, end to end data integrity, high signal quality on the cable or backplane which is a NAND flash-based storage and fit in HDDs slot of enclosures. A SAS solid-state drive bandwidth speeds 3Gbps, 6Gbps, and 12Gbps, there are two form factors 2.5 inches and 3.5 inches.
There are SSDs that are designed for business purposes. They can be external or internal, and they are convenient means of boosting PCs, desktop computers, gaming consoles, and servers.
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Warranty
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30-days to 3 years warranty:
Replacement or refund. In the case of material defects, we will try to replace the product first. The product will be replaced before the expiration of the original warranty. For any failure of hardware, if we cannot process the replacement of the product(s)/model(s), we will refund the original selling/invoiced price. The shipping costs and sales tax, if any, are non-refundable. ALLHDD retains the right to decide whether the item(s) will process for replacement or refund.
What is not covered by our warranty?
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(a) misuse of hardware; accidental damage; carelessness product(s) damage; shock; temperature beyond the specification of any product; faulty installation; operation; modification of goods;
(b) any misuse outside the instructions in the user manual for any specific product;
(c) damaged caused by other hardware or equipment. The warranty will void if the item is returned with physical damage, damage to the retail box, removed from the box, counterfeit labels/labelled by them, or any modifications of internal and external covers. Data loss or damages to any other equipment we do not cover by our offered warranty.
What is the Manufacturer/Brand Warranty?
In general, a manufacturer's warranty service/support is a written guarantee to the buyer of a product. Its terms assure the replacement or repair of the product, if necessary, within a specified period after the purchase (2-5 years depending on the brand/manufacturer). It is typically included in the price of the product. Products are brand new and sealed and the original manufacturer box is complete with the Manufacturer's genuine warranty. For most of the brand new/retail products that come with the manual and box, exceptions may apply (i.e., Cisco, Juniper Networks).
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