Dell Statement of Volatility – Dell EMC PowerEdge – R650 Owner's Manual
Summary
Statement of Volatility document for the Dell EMC PowerEdge R650 rack server. Provides a comprehensive inventory of all volatile and non-volatile memory components in the system, including BIOS SPI Flash, iDRAC SPI Flash, BMC eMMC, CPLD RAM, system memory DIMMs, NVDIMMs, and voltage regulator configuration storage. Lists each component's reference designator, storage capacity, and volatility classification. Details non-volatile components in storage backplanes, RAID controllers, network adapters, and the chassis. Intended for IT security officers and compliance personnel assessing data retention characteristics of server hardware components.
Page 1 Text Content
Statement of Volatility – Dell EMC Power Edge R650 Dell EMC Power Edge R650 contains both volatile and non-volatile (NV) components. Volatile components lose their data immediately upon removal of power from the component. Non-volatile components continue to retain their data even after the power has been removed from the component. Components chosen as user- definable configuration options (those not soldered to the motherboard) are not included in the Statement of Volatility. Configuration option information (pertinent to options such as microprocessors, remote access controllers, and storage controllers) is available by component separately. The following NV components are present in the Power Edge R650 server.
Item Non-Volatile Quantity Reference Designator Size
or Volatile
Planer PCH Internal CMOS Non-Volatile 1 U_PCH1 256 Bytes RAM BIOS SPI Flash Non-Volatile 1 U34 32 MB BIOS Data SPI Flash Non-Volatile 1 U33 4 MB i DRAC SPI Flash Non-Volatile 1 U94 4 MB BMC EMMC Non-Volatile 1 U15 8 GB i DRAC DDR4 Volatile 1 U5 8Gb System CPLD RAM Volatile 1 U_CPLD1 432 Kb
System CPLD RAM Non-Volatile 1 U_CPLD1 448 Kb
System Memory Volatile Up to 16 per CPU1: A1~16, Up to 256GB per DIMM CPU CPU2: B1~B16 System Memory-BPS Non-Volatile Up to 8 per CPU1: Up to 512GB per DIMM CPU A14/A10/A16/A12/A11/A15/A 9/A13 CPU2: B14/B10/B16/B12/B11/B15/B 9/B13 System Memory- Non-Volatile Up to 6 per CPU1: Up to 16GB per DIMM NVDIMM CPU A14/A10/ A12/A11/A9/A13 CPU2: B14/B10/B12/B11/B9/B13 CPU Vcore and VSA Non-Volatile 1 for CPU1, U523 16KB Regulators 1 for CPU2 U532 Memory VDDQ Non-Volatile 1 for CPU1, U541 16KB Regulators 1 for CPU2 U548
2 x 2.5" Universal SAS/SATA/PCIe Rear Backplane SEP internal flash Non-Volatile 1 U47 4Mbit in-chip SPI Serial
Flash
Backplane External Non-Volatile 1 U47 256 Bytes FRU 4 x 3.5" SAS/SATA front Backplane SEP internal flash Non-Volatile 1 U46 4Mbit in-chip SPI Serial
Flash
Backplane External Non-Volatile 1 U46 256 Bytes FRU 8 x 2.5" SAS/SATA front Backplane SEP internal flash Non-Volatile 1 U46 4Mbit in-chip SPI Serial
Flash
Dell - Internal Use - Confidential
Page Summary Contents For Dell Statement of Volatility – Dell EMC PowerEdge – R650 Owner's Manual
Manual Details
| Brand | Dell |
|---|---|
| Pages | 10 |
| File Size | 474.32 KB |
| Published | June 25, 2026 |
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Frequently Asked Questions
What are the non-volatile components in the PowerEdge R650?
The server includes non-volatile components such as the PCH Internal CMOS, BIOS SPI Flash, iDRAC SPI Flash, BMC EMMC, and various flash memory chips on controllers and backplanes.
How is the LCD Bezel microcontroller memory cleared?
The memory is only cleared as part of a secure iDRAC software update and is not user clearable.
Can the system memory retain data after power is removed?
Yes, the System Memory-Non-Volatile and NVDIMM components retain data even after power is removed.
How is the BOSS RAID controller memory protected?
The BOSS memory is protected by Dell SW write protection and can only be updated via a firmware update process.