1
00:00:00,160 --> 00:00:08,679
upgrading your laptop's RAM is a pain but thanks to cam 2 an updated standard

2
00:00:05,759 --> 00:00:13,920
recently ratified by jedc that might be about to change cam or the compression

3
00:00:11,360 --> 00:00:18,520
attached memory module is a memory form factor created by Dell engineer Tom

4
00:00:16,359 --> 00:00:24,039
Schnell you might remember it launching as a proprietary solution in Dell

5
00:00:20,519 --> 00:00:27,160
laptops in 2022 replacing the sodm form

6
00:00:24,039 --> 00:00:30,160
factor sodm technically stands for small

7
00:00:27,160 --> 00:00:31,640
outline dual inline memory module but it

8
00:00:30,160 --> 00:00:36,680
just sounds like we're calling them stupid and we are to their credit dims

9
00:00:34,920 --> 00:00:42,680
were a significant upgrade when they started to replace Sims back in the

10
00:00:39,360 --> 00:00:46,280
1990s Sim pins could only support 32bit

11
00:00:42,680 --> 00:00:48,559
data while dim pins could manage 64-bit

12
00:00:46,280 --> 00:00:54,680
meaning that a single dim could do the job of two sims so dim is basically the

13
00:00:52,120 --> 00:00:59,559
same thing just smaller around half the size which is why it's primarily used in

14
00:00:57,039 --> 00:01:04,239
laptops compared to memory solder to the motherboard board replaceable components

15
00:01:01,640 --> 00:01:08,720
like sodm RAM sticks typically aren't as resistant to Accidental jostling they

16
00:01:06,640 --> 00:01:13,200
use more power and they take up more space in a portable device where space

17
00:01:11,000 --> 00:01:18,159
is at a premium and cooling is already a problem this has led to soldered memory

18
00:01:15,600 --> 00:01:22,799
becoming the default at the expense of repairability and upgradeability most

19
00:01:20,920 --> 00:01:26,680
users will never open the back end of their device so many manufacturers have

20
00:01:24,799 --> 00:01:31,000
decided that it makes more sense to ensure that it works today rather than

21
00:01:28,680 --> 00:01:34,720
it be upgradeable in the future but for those of us who'd rather upgrade a

22
00:01:32,600 --> 00:01:39,560
laptop that just needs a bit more RAM rather than buy a whole new machine it's

23
00:01:37,000 --> 00:01:44,439
a big disappointment so how does Cam 2 address those problems and can it really

24
00:01:41,759 --> 00:01:49,560
bring back upgradeable laptop RAM we'll tell you right after we thank Odo for

25
00:01:46,320 --> 00:01:51,640
sponsoring this video what can ODU o do

26
00:01:49,560 --> 00:01:55,360
for you well if you're looking for a highquality website for your business

27
00:01:53,560 --> 00:02:00,119
but lack the coding experience to make it happen look no further than ODU their

28
00:01:58,320 --> 00:02:03,560
open source platform is packed with userfriendly drag and drop Design

29
00:02:01,880 --> 00:02:08,640
Elements and features that can help anyone build a gorgeous website and with

30
00:02:05,880 --> 00:02:12,319
odu's AI copywriter powered by chat gbt writing content for your website has

31
00:02:10,280 --> 00:02:17,120
never been easier odu's website e-commerce application is not only 100%

32
00:02:14,959 --> 00:02:21,280
free it also comes with unlimited hosting and they even pay for your

33
00:02:19,040 --> 00:02:26,200
custom domain name for the first year click the link below and start building

34
00:02:22,800 --> 00:02:28,760
your dream website with ODU Dell's Cam

35
00:02:26,200 --> 00:02:33,239
and the now standardized cam 2 is an attempt to close the gap between

36
00:02:30,760 --> 00:02:37,599
replaceable and soldered memory looking at the original Cam and sodm side by

37
00:02:36,000 --> 00:02:42,599
side you're probably going to notice one big difference right away the size the

38
00:02:40,280 --> 00:02:48,159
single cam component is significantly longer and wider but it's also 57%

39
00:02:46,000 --> 00:02:52,840
thinner for an equivalent amount of RAM shaving off a few millimeters of height

40
00:02:50,120 --> 00:02:58,120
and reducing overall volume Cam and cam 2 can also support up to 128 GB on a

41
00:02:56,319 --> 00:03:02,599
single module and have significant improvements over sodium in terms of air

42
00:03:00,280 --> 00:03:06,959
flow you might wonder why sodm comes with RAM chips mounted on both sides of

43
00:03:04,680 --> 00:03:11,080
the PCB like that if height is such an important factor but this is actually a

44
00:03:09,239 --> 00:03:15,959
way of accommodating yet another technical limitation of the format sodm

45
00:03:13,680 --> 00:03:20,000
uses an edge connector which means that traces for the chips nearest to the

46
00:03:17,640 --> 00:03:25,239
connector need to zigzag in order to keep them the same length as traces to

47
00:03:22,239 --> 00:03:26,959
chips on the far side that increases

48
00:03:25,239 --> 00:03:31,519
both the time it takes the motherboard to communicate with those chips and the

49
00:03:29,040 --> 00:03:35,920
risk of Distortion and cross talk between circuits as traces get longer

50
00:03:34,040 --> 00:03:40,640
you need to increase the space between them in order to manage that risk

51
00:03:38,239 --> 00:03:44,720
therefore a double-sided PCB is the best way to save space given the other

52
00:03:42,360 --> 00:03:49,080
constraints of the design even worse due to these same size constraints and

53
00:03:46,680 --> 00:03:53,879
timing issues the wires from the CPU wind up traveling under the sodm module

54
00:03:51,879 --> 00:03:59,720
and connecting to The Far Side leading to a minimum Trace length of 7 1/2 CM

55
00:03:57,400 --> 00:04:04,200
Cam and cam 2 on the other hand use a land grid array connector similar to a

56
00:04:01,959 --> 00:04:08,640
typical CPU because it has connecting pins across its rear face rather than on

57
00:04:06,560 --> 00:04:12,799
one Edge all the chips are now significantly closer to the connector

58
00:04:10,720 --> 00:04:17,720
and the motherboard further cam 2 comes in configurations for two single

59
00:04:14,519 --> 00:04:20,079
channels or one dual channel in part due

60
00:04:17,720 --> 00:04:24,280
to this connector change cam 2 will also need to be screwed down in order to

61
00:04:21,959 --> 00:04:28,440
ensure it maintains consistent contact which has both advantages and

62
00:04:26,320 --> 00:04:32,400
disadvantages it reduces the potential that the component might come unseated

63
00:04:30,199 --> 00:04:36,720
due to jostling but it also adds the need for a screwdriver like this one

64
00:04:34,120 --> 00:04:41,199
from LTT Store.com rather than just easily slotting in like a sodm likewise

65
00:04:39,600 --> 00:04:45,240
depending on the design of their device some users might need to replace their

66
00:04:43,039 --> 00:04:50,240
existing cam 2 with a new one when they want to upgrade rather than simply

67
00:04:47,360 --> 00:04:55,160
buying a second sodm and plugging it in another reason why some companies are

68
00:04:51,960 --> 00:04:59,160
pushing for cam 2 now is so dim actually

69
00:04:55,160 --> 00:05:01,199
has a speed cap of around 6,400 MHz most

70
00:04:59,160 --> 00:05:05,880
Main extreme sodm designs haven't hit this ceiling yet but it's a future

71
00:05:03,240 --> 00:05:09,919
problem that cam is solving today with a proactive design that places the module

72
00:05:07,840 --> 00:05:14,199
in closer contact with the motherboard on the level of electronics and

73
00:05:11,440 --> 00:05:17,919
materials Cam and sodm are extremely similar meaning that they'll likely be

74
00:05:15,919 --> 00:05:22,960
similar in terms of price to Performance and software interoperability now as for

75
00:05:20,479 --> 00:05:29,880
power efficiency the cam 2 standard also comes with both ddr5 and lpddr5 sl5x

76
00:05:27,360 --> 00:05:34,360
Designs while sodm is limited to the more power intensive ddr5 in order to

77
00:05:32,840 --> 00:05:38,880
prevent anyone from accidentally crossing the streams which may lead to a

78
00:05:36,440 --> 00:05:44,520
total protonic reversal the slots for ddr5 and LP ddr5 versions of Cam 2 will

79
00:05:42,440 --> 00:05:49,360
be physically distinct to prevent one from getting plugged into the other the

80
00:05:46,400 --> 00:05:53,759
option of LP ddr5 might mean we'll see more upgradable RAM even in relatively

81
00:05:51,639 --> 00:05:58,479
small devices like tablets or single board computers it's unclear at this

82
00:05:55,840 --> 00:06:02,479
point whether cam 2 is truly the default laptop memory format of tomorrow but

83
00:06:00,560 --> 00:06:07,440
thanks to this new ratification by jedek it will likely gain interest and become

84
00:06:04,440 --> 00:06:09,319
cheaper over time Dell is of course a

85
00:06:07,440 --> 00:06:13,919
major backer of the new standard but Samsung and Micron also announced plans

86
00:06:11,759 --> 00:06:19,160
to incorporate cam modules in upcoming products even prior to the ratification

87
00:06:16,039 --> 00:06:21,319
of Cam 2 wow maybe we really are in the

88
00:06:19,160 --> 00:06:24,919
best timeline but one thing's for sure you are the best viewer for watching all

89
00:06:23,560 --> 00:06:27,919
the way to the end wow thanks for watching like the video if you like if

90
00:06:26,560 --> 00:06:31,360
you liked it dislike it if you disliked it one of those uh goes with one of

91
00:06:29,919 --> 00:06:35,120
those check out our other videos comment below video suggestions don't forget to

92
00:06:32,919 --> 00:06:38,160
subscribe and follow techwiki okay I made it