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    Technical guide

    Storage and Memory in Practice

    Choosing, setting up and keeping the drives and memory in a real machine, from a new DDR5 build to a backup that works.

    A series on choosing, setting up and keeping drives and memory in real machines, in eight parts. Part 1 covers DDR5 in a new build: what the numbers on a kit mean, what each platform officially supports, and how to fix a build that will not boot or stay stable. Part 2 covers cloning and backup with the free tools that still do each job. The parts after it cover reading an SSD spec sheet, hard drives against SSDs, portable drives and enclosures, consoles and handhelds, and data center form factors. How the parts work inside is in How Storage Works and Working Memory.

    The series

    Read in order

    Each part stands on its own.

    Two DDR5 modules seated in slots A2 and B2 of a four-slot motherboardTop view of a motherboard's four memory slots, labeled A1 and A2 for channel A and B1 and B2 for channel B. Two DDR5 modules, each with eight memory chips, sit in A2 and B2; A1 and B1 are empty.GUIDE / STORAGE AND MEMORY IN PRACTICE, PART 1Two modules, four slotsTOP VIEW · NOT TO SCALEA1A2B1B2CH ACH B

    Part 1

    DDR5 for Builders

    What DDR5 speeds, timings, EXPO, XMP, and CUDIMM mean, what AM5, LGA1700, and LGA1851 officially support, and how to fix memory problems on a new build.

    Read Part 1
    An old drive copied block for block onto a new driveTwo M.2 drives side by side. The old drive's two flash packages are full; an arrow carries blocks to the new drive, whose two packages are both partly filled as the copy runs.GUIDE / STORAGE AND MEMORY IN PRACTICE, PART 2Moving to a new driveOLD DRIVE · COPY · NEW DRIVEOLD DRIVENEW DRIVEevery block gets copiedcopy still running

    Part 2

    Cloning and Backup in 2026

    Clone, disk image, or file backup: which you need, what changed when Macrium Reflect Free stopped getting updates, and the free tools still doing each job.

    Read Part 2
    An M.2 SSD seated in the processor's own slot, beside an empty chipset slotTop view of part of a desktop motherboard. The processor socket sits at the left with the graphics slot running across the top. An M.2 SSD is seated in M.2_1, the slot wired to the processor, with a solid link to the socket. Below it, M.2_4 is empty and wired to the chipset at the right, drawn with a dashed link.GUIDE / STORAGE AND MEMORY IN PRACTICE, PART 3The slot that shares nothingTOP VIEW · NOT TO SCALECPUPCIEX16M.2_1M.2_4CHIPSET

    Part 3

    SSDs for Builders

    What an SSD box’s numbers mean, which M.2 slot gets which lanes on AMD and Intel boards, and how to set up and fix a drive in Windows and Linux.

    Read Part 3
    A data sheet's rating rows, each tied to the numbered note that qualifies itA drawing of an SSD data sheet's specification table. Four rows, sequential write, random read, endurance in TBW, and warranty, show their values as teal bars. Each row ends in a small numbered note marker, and a copper path runs from it down to the matching note under the table: note 4 for the write speed, note 3 for the random read, and note 6 for both endurance and warranty.GUIDE / STORAGE AND MEMORY IN PRACTICE, PART 4Read the footnotes firstSPEED · ENDURANCE · WARRANTYSPECIFICATIONSSEQUENTIAL WRITE4RANDOM READ3ENDURANCE (TBW)6WARRANTY6346

    Part 4

    How to Read an SSD Spec Sheet

    What each line on an SSD data sheet means: the conditions behind rated speeds, TBW and DWPD as one write budget, MTBF as a fleet rate, and warranty terms.

    Read Part 4
    A hard drive and an SSD on a balance, weighed on cost, power and rebuild timeA drawing of a balance beam. On its left hangs a 3.5-inch hard drive seen from above, with its platter, spindle and actuator arm. On its right hangs a 2.5-inch SSD with its case open, showing a controller above four flash packages. The beam is level. Under the pivot hang three copper weights labeled cost, power and rebuild.GUIDE / STORAGE AND MEMORY IN PRACTICE, PART 5Disk or flash, weighedCOST · POWER · REBUILDCOSTPOWERREBUILD

    Part 5

    HDD Versus SSD on Cost, Power and Rebuild Time

    Hard drives and SSDs compared on what a terabyte costs, what each draws at idle and under load, and how long a failed drive takes to rebuild.

    Read Part 5
    An M.2 SSD joined through a bridge chip and a cable to a host portLeft to right: an M.2 SSD with a controller and two flash packages, a link to a square bridge chip with pins on both sides, a cable, and a host port with gold contacts.GUIDE / STORAGE AND MEMORY IN PRACTICE, PART 6The chip between the drive and the portSSD · BRIDGE · CABLE · PORTSSDBRIDGECABLEPORT

    Part 6

    Portable SSDs and Enclosures

    What USB and Thunderbolt ports carry, what a bridge chip does, why rated and real speed differ, and which port suits which portable SSD or M.2 enclosure.

    Read Part 6
    A console body linked to an M.2 module, an expansion card, a microSD card, and a USB driveA console body at the left with four kinds of added storage at the right. Solid teal links join it to an M.2 module, an expansion card, and a microSD card, which run games. A dashed link joins it to a USB drive, which only stores them.GUIDE / STORAGE AND MEMORY IN PRACTICE, PART 7The slot decides what playsCONSOLE · SOLID RUNS GAMES · DASHED ONLY STORESCONSOLEM.2 MODULEEXPANSION CARDMICROSD CARDUSB DRIVE

    Part 7

    Console and Handheld Storage

    What the PS5, Xbox Series X|S, Steam Deck, other PC handhelds, and Switch 2 accept for added storage, and which of it plays games instead of only holding them.

    Read Part 7

    All 8 parts

    1. Part 1DDR5 for BuildersPublished
    2. Part 2Cloning and Backup in 2026Published
    3. Part 3SSDs for BuildersPublished
    4. Part 4How to Read an SSD Spec SheetPublished
    5. Part 5HDD Versus SSD on Cost, Power and Rebuild TimePublished
    6. Part 6Portable SSDs and EnclosuresPublished
    7. Part 7Console and Handheld StoragePublished
    8. Part 8Data Center Form FactorsIn progress

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